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Physical Science A
Physical science study cards
148
Science
10th Grade
11/15/2016

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Cards

Term
In which step of the scientific method do you test your hypothesis?
Definition
Experiment
Term
Which type of scientist studies cultures?
Definition
Social scientist
Term
If you wanted to learn about living things such as frogs, which of the following would you study?
Definition
Life science
Term
Two scientists have a difference of opinion about something supernatural and they engage in a rational argument. Which of the following would we call this?
Definition
Philosophy
Term
Two scientists are discussing their beliefs about something they cannot observe. Which of the following would we call this?
Definition
Religion
Term
After you've done an experiment, you realize that your experiment did not carefully control all the variables. You should:
Definition
Revise the experiment and redo it.
Term
A researcher uses scientific studies to draw conclusions. Which of the following would we call this?
Definition
Scientific research
Term
Which statement best describes a scientific theory?
Definition
An explanation of why things happen in the natural world
Term
If you wanted to make a prediction about an event that required complicated analysis of data, which tool would be most helpful?
Definition
A scientific model
Term
What are ethics?
Definition
Sets of standards that help determine right from wrong
Term
Which statement best describes a scientific law?
Definition
A statement that describes an occurrence in the natural world
Term
Which statement is true about theories and laws?
Definition
Theories explain observable events; laws describe observable events.
Term
Which statement is true about theories and laws?
Definition
Theories never become laws.
Term
Which of the following does science attempt to do?
Definition
Define or explain the natural world
Term
Which of the following are important tools that can also be considered a branch of science?
Definition
Mathematics and logic
Term
When working with an open flame in a laboratory,
Definition
you should never reach across an open flame.
Term
If you wanted to measure mass, which tool would you use?
Definition
A triple beam balance
Term
Which statement best describes the goal of a scientific experiment?
Definition
Scientific experiments answer the questions that come from scientist's observations.
Term
Which statement best describes why scientific ideas are trustworthy?
Definition
Scientific ideas are trustworthy because they have been tested.
Term
Which of the following is true about different types of scientific observation and testing?
Definition
Different types of scientific observation and testing often fit into more than one branch of science.
Term
Which scenario best represents pseudoscience?
Definition
Scientists studying the moon find that the strange glow is the result of a evil spirit.
Term
Which of the following statements is true for all scientists?
Definition
 
All scientists are curious and seek answers to questions.
Term
As scientists learn more, what happens to scientific ideas?
Definition
 
The ideas are often revised.
Term
Which statement best describes why it is important for all scientists to use the scientific method?
Definition
 
By using the scientific method, all scientists ensure their results are trustworthy.
Term
When using the scientific method, what is the last thing a scientist must do before the conclusions can be considered trustworthy?
Definition
Repeat the experiment
Term
Which statement best describes what is necessary for a scientific experiment to be considered reliable? In order for a scientific experiment to be reliable,
Definition
the results must be reproducible.
Term
Which statement describes the most important reason for you to know some information about who wrote an article that you were going to use for a science report?
Definition
You would want to make sure the article was free from bias.
Term
When a researcher discovered that his data did not support his hypothesis, he decided to alter the data and release the results of the experiment. This most likely represents
Definition
Pseudoscience because he used false data.
Term
Which of the following must be true for a question to be able to be answered through science?
Definition
The question must be based on an observation of the natural world.
Term
Which example best illustrates science in action?
Definition
 
A woman mixes warm water and yeast to cause a reaction which results in her bread rising.
Term
The scale in a graph is determined by
Definition
the range of values present.
Term
If we wanted to know what number occurs most frequently in a set of data, what would we calculate?
Definition
mode
Term
In order to prove or disprove your hypothesis, you must
Definition
use the scientific method and draw a conclusion.
Term
A circle graph is most useful when displaying data that
Definition
tells us about parts of a whole.
Term
When attempting to solve a difficult problem, the best scientific approach would be to
Definition
bring together a team of scientists with different backgrounds and perspectives to work together to find a solution to the problem.
Term
Sometimes, after further research, it is necessary to redesign and repeat your experiment. This shows
Definition
sound scientific thinking and good use of the scientific method.
Term
Which statement best describes how scientists can solve big problems?
Definition
 
Using the scientific method, scientists can work together to test different hypotheses and determine the best solution for the problem.
Term
Which statement describes the value of having a scientist that did not do the experiment review the experiment?
Definition
Scientists depend on their peers to make sure that they did not make any errors, have any bias, or misinterpret the results of the experiment.
Term
If we wanted to know the average of a set of data, what would we determine?
Definition
mean
Term
When scientific research supports different points of view,
Definition
a scientific debate can help answer the question.
Term
When decisions are made on public funding for research,
Definition
 
government should consider public opinion.
Term
When considering a research project, it is most important that a scientist takes into account 
Definition
the costs vs. the benefits of the project
Term
A group of scientists wants to alter the DNA in a plant so that it will be able to grow with no water. They plan to use this to help poor desert nations grow food to feed their starving people. What is this an example of?
Definition
An ethical use of genetic engineering because they want to help people.
Term
When there are parts of an experiment that scientists cannot carefully control, they should
Definition
redesign the experiment to be sure they are testing only one variable.
Term
When scientists disagree,
Definition
scientific experimentation and debate can help settle the differences of opinion.
Term
When scientific ethics are in question, what would be the best process to follow?
Definition
Appoint a group of scientists with no bias to follow the process of peer review. 
Term
In science it is important that
Definition
all scientists use the scientific method and debate their differences of opinion. 
Term
Which of the following best explains why scientific evidence is used to support theories?
Definition
Using the scientific method, scientists can draw conclusions which help explain why things happen.
Term
In the United States,
Definition
some research is funded by the government, some is funded by private industry.
Term
Which statement best describes why scientific research on human cloning is often funded by private companies?
Definition
Since human cloning has many ethical considerations, many governments will not fund the research.
Term
If there are problems with scientific research,
Definition
the experiment should be adjusted and repeated to be sure the results are reliable.
Term
Scientists should not undertake a research project that is considered
Definition
unethical to society.
Term
When comparing scientific debate to social debate we can conclude that, 
Definition
they both involve using evidence to discuss differences of opinion. 
Term
Which statement is false?
Definition
Scientific evidence always agrees.
Term
Which description best shows how society plays a part in scientific research and funding? 
Definition
In the United States, many citizens believe it is wrong to clone humans. They got together and campaigned against cloning. As a result, the U.S. government will not fund any type of project related to human cloning.
Term
In the United States, if most citizens believed a certain type of scientific research was ethically wrong, 
Definition
it is likely that the government would make it illegal. 
Term
Which statement best describes the goal of scientific research on genetic engineering? 
Definition
To create plants that solve societal problems like hunger and pollution.
Term
Anything that is gathered using the scientific method that supports a hypothesis can be considered 
Definition
 
Scientific evidence
Term
When scientists all over the world use technology and share information,
Definition
the entire scientific community benefits.
Term
Which statement is true?
Definition
Scientific bias can lead to problems with ethics.
Term
Which statement best describes the relationship between science and technology?
Definition
Advances in science can lead to new technology.
Term
Which statement represents an ethical concern?
Definition
 
Genetic engineering could be used to make super smart humans for rich people.
Term
Which example best shows how scientific discoveries benefit society in times of disaster?
Definition
Scientific models help scientists predict the path of storms.
Term
When evaluating a product claim, it is important to determine whether: 
Definition
 
The research that supports the claim is without bias. 
Term
The government will not allow a manufacturer to make a product claim if:
Definition
The evidence they use to back up the claim is based on research that has not been reviewed by other scientists and shown to be reproducible.
Term
Which statement best describes why scientific evidence supports scientific laws?
Definition
Scientific evidence supporting scientific laws is always the same and observable by many. 
Term
In order for the government to allow a product to make a certain claim:
Definition
The manufacturer must produce adequate scientific evidence to support that the claim is true.
Term
Which concern about genetic engineering would be the best example of an ethical issue?
Definition
 If genetic engineering was used to clone a human for organ transplantation, the clone would be killed for the transplant surgery.
Term
Which process is most useful when trying to make sure the results of scientific experiments are reliable?
Definition
peer review
Term
Which scientific tools, or technologies, could help governments set policies and procedures to follow during a natural disaster?
Definition
Scientific models and satellite technology
Term
Which statement is the best example of how ethical issues affect policy and scientific research?
Definition
In England, because of public concerns, government officials have made it illegal to do research on human cloning. 
Term
How do teams of scientists with varied backgrounds better solve complex problems than individual scientist?
Definition
In a team, each scientist will have a different idea and perspective and the scientists work together to find the answer.
Term
Which statement best describes the benefits of scientific discoveries?
Definition
The development of new technology. 
Term
As a consumer, you constantly have to be careful that you do not buy useless products. The government addresses complaints but some products still participate in false advertising. One easy way to evaluate a product claim is to determine whether:
Definition
 
The claim the manufacturer is making is backed up by relevant scientific evidence.
Term
If we have a set of data, and one number is much higher than all the other numbers, which measurement would give us the least amount of information about the overall information gained from the data?
Definition
the mean because the average would be thrown off by the extremely high number.
Term
Before coming to a final conclusion about the problem presented in the lesson, it was necessary for you to
Definition
evaluate each research study and compare the results.
Term
Which statement best describes how peer review can prevent errors?
Definition
Peer review is a way to check scientific work to be sure that their results and claims are correct and without bias.
Term
Why were people not able to predict the damage using fossil fuels would do to our environment?
Definition
 
At the time, scientists did not have the proper tools and research to predict the threats.
Term
Which statement best illustrates how science helps individuals make every day decisions.
Definition
 
Individuals watch the weather to help decide what to wear to school that day.
Term
Before scientists come up with a scientific question, what do they have to do first?
Definition
Make an observation
Term
Which of these would you study if you wanted to learn more about the human body?
Definition
Life science
Term
If a scientist has a specific reason or motive for an experiment to turn out a certain way, which of the following is true?
Definition
We should not trust the experiment because there might be bias.
Term
Which of the following is true about the results of an experiment?
Definition
The results of an experiment are used to support or disprove the hypothesis. 
Term
How can science benefit government?
Definition
 
Science provides information and knowledge that can help government make wise decisions.
Term
What is the first step in the scientific method?
Definition
 
Observation
Term
Before the result of an experiment can be considered reliable, you must:
Definition
Repeat the experiment and get the same results.
Term
When scientists have different points of view,
Definition
they can work together to solve problems.
Term
Scientists rely on the scientific community to
Definition
 
make sure science is ethical.
Term
Which statement is true about scientific debates?
Definition
They are a chance for scientists to work out different points of view. 
Term
Which statement best describes what would happen if a scientist misrepresents data to support his or her hypothesis?
Definition
He or she would be considered unethical.
Term
The government had to set policies requiring scientific research for product claims:
Definition
 
To protect the people from false claims.
Term
If a company hired a scientist to prove their product was safe, there would be concern because
Definition
 
the study may contain bias.
Term
Which statement best describes a scientific model?
Definition
 
A scientific model is a physical representation of an object or a computer program that uses data to help predict events.
Term
How can the scientific method be used?
Definition
Answer questions and solve problems.
Term
In order to prepare for a scientific debate, it would be best to 
Definition
review scientific journals and research studies to gather scientific evidence. 
Term
Pretend you are using the Internet to research the nutritional value of different kinds of beef. You find the information you are looking for on a Web site, but then you find that the Web site is owned by a group of people who don't think it is right to eat meat. Which of the following should you do?
Definition
Find the source of nutritional information. If it is from a trusted source of nutritional data, such as the US Department of Agriculture, although the site may contain biased information, the nutritional information can be trusted.
Term
If you were asked to give an example of how science has improved your life, a correct response could be:
Definition
Science has given doctors medicines that have allowed me to recover from illness.
Term
Which statement best describes how competition plays a role in science?
Definition
Scientists use the work of other scientists but friendly competition does exist.
Term
If you were the owner of a company that produced cleaning products which claimed they could remove oil stains, and the government asked you to provide evidence that this was true, which would be the best evidence to provide? 
Definition
Multiple scientific research studies that were peer reviewed and show that the product can remove oil.
Term
If you were asked how to evaluate scientific evidence, what would you would want to include in your answer?
Definition
That scientific evidence should be reproducible.
Term
Before providing funding for a scientific research project, the agency should 
Definition
make sure the project is ethical and the cost is worth the benefit.
Term
What is the most important benefit of all scientists using the scientific method?
Definition
Scientists are able to share information and work together.
Term
If a manufacturer tries to discredit a competitor's product, this is called: 
Definition
Product disparagement.
Term
If you were assembling a team of scientists to do research, what would be the MOST important factor?
Definition
 
Making sure they were all from diverse backgrounds and interests.
Term
Which statement best describes how public officials use technology to benefit individual citizens?
Definition
If a scientific model predicts that a hurricane will hit a specific area, public officials will know which people are in the biggest danger and will order evacuations.
Term
Some companies run into trouble when they make product claims that:
Definition
 
Don't have enough scientific evidence to back up.
Term
A researcher wants to answer a question based on an observation about the natural world. However, the question cannot be tested by a traditional science experiment. What should the researcher do to answer the question scientifically?
Definition
The researcher should use scientific research to answer the question. 
Term
Density
Definition
the amout of mass in a given volume of matter
Term
conductivity
Definition
a materials ability to transfer energy from one source to another
Term
Boiling point
Definition
temperature at which a liquid will start to becom a gass
Term
Which types of matter are made of atoms?
Definition
 
solids, liquids, gases and plasma
Term
Which of the following best defines conductivity?
Definition
ability of a substance to transfer energy
Term
Which two properties are used to define matter?
Definition
has mass and takes up space
Term
Which subatomic particles are in the nucleus of an atom?
Definition
 
protons and neutrons
Term
Lightning is an example of matter in a liquid state.
Definition
false
Term
You use a wool oven mitt to protect your hands when you pull hot pans out of the oven. They work just fine and keep your hands from being burned. One day you spill some water on your oven mitts but decide they should still be suitable for use even though they are wet. To your surprise, the wet oven mitts do not protect your hands and you end up being burned. What conclusion can you draw from this event?
Definition
water is a better conductor than wool
Term
Gases and liquids will both expand to fill their container.
Definition
False
Term
Iron has a density of 7.9 g/cm3. How much mass is in a 10 cm3 sample of iron?
Definition
79g
Term
Which formula correctly expresses the property density?
Definition
D = m/v
Term
A doctor needs to know how the chemicals in a medicine will dissolve in water. What property of matter does the doctor need to look up?
Definition
solubility
Term
In a solid, the atoms are tightly locked in position and do not change position.
Definition
True
Term
Plastic is used to cover electrical cords. This indicates that plastic is a(n) ________.
Definition
insulator
Term
Which of the following best defines boiling point?
Definition
temperature at which liquid starts to become a gas
Term
Which of the following best defines volume?
Definition
 
The amount of space that a sample of matter takes up.
Term
Which of the following best defines insulator?
Definition
a substance with a low ability or no ability to conduct energy
Term
Which of the following best defines mass?
Definition
 
The amount of matter in a substance.
Term
Solids can take the shape of their container.
Definition
False
Term
Liquids can take the shape of their container but their atoms cannot move away from each other enough to always fill the container.
Definition
True
Term
Plasma is the most abundant state of matter in the universe.
Definition
True
Term
When ice cubes are heated, the movement of their constituent atoms ________.
Definition
speeds up
Term
Which of the following is the best definition of sublimation?
Definition
change of a solid to a gas
Term
Which of the following can bring about a change in state for liquid water?
Definition
either a temperature or a pressure change
Term
Which of the following is most responsible for a change from solid to a liquid?
Definition
heating a substance so that its internal particles move faster and overcome the forces of attraction that hold them together
Term
A piece of wood is cut and burned. Cutting the wood is a chemical change and burning the wood is a physical change.
Definition
false
Term
A piece of metal is cut into smaller and smaller pieces until each piece is microscopically small. This is an example of a physical change.
Definition
True
Term
Which of the following is true about melting and freezing points?
Definition
 
The melting point is achieved at a higher temperature than the freezing point.
Term

Which of the following is the best definition of vaporization?

 
Definition

change of a liquid to a gas

 
Term
A tight metal lid on a glass jar of jam may loosen if the lid is held under hot water for few minutes. This is because the water causes the ________.
Definition
metal lid to expand
Term
Which of the following processes is most affected by pressure?
Definition
 
boiling
Term
Oxidation is the reaction of a substance with oxygen to form a new substance. This is an example of a chemical change.
Definition
True
Term
In the water cycle, water in the form of ice or snow can return to the atmosphere as water vapor. This process is called ________.
Definition
sublimation
Term
According to Boyle's Law, increasing the pressure of a gas will have which effect on its volume?
Definition
decrease
Term
A cupful of water and a cupful of gasoline are placed in a sunny window. Both cups have the same volume of liquid in them. 24 hours later you observe that both cups have less liquid in them, but there is less gasoline than water. What can you conclude from this observation?
Definition
some liquids evaporate faster than others
Term
In a chemical change, the substance that changes is called the product.
Definition
true
Term
A book sitting on a shelf has what kind of energy?
Definition
Potential
Term
When a gas changes to a liquid, energy is:
Definition
 
Released
Term
__________ energy is the kinetic energy of electrons.
Definition
Electrical
Term
_______ energy is the form of energy visible to the human eye.
Definition
 
Light
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