Term
Q: What is the first thing you should do if an accident occurs during a lab?
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Definition
A: Run to the exit
B: Cry
C: Inform the teacher
D: Go to the eyewash station |
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Term
Q:What is the safest way to prevent
materials from getting in your eyes? |
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Definition
A: Tie back loose hair and clothing
B: Wear safety googles when instructed to do so
C: Stay near eyewash station
D: Turn head away from experiment. |
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Term
Q:Which of the following is an observation?
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Definition
A: Science experiments are exciting.
B: There will be a lot of graphing in math this year.
C: Mr. Early's singing sounds terrible.
D: The temperature of Mrs. Spain's room is 74 degrees Fahrenheit. |
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Term
Q: In a lab report, in which section do you make a prediction about the outcome of the experiment? |
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Definition
A: Hypothesis
B: Background
C: Problem
D: Conclusion |
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Term
Q: In which part of a lab report is it the author's job to explain the data table or graph to the reader?
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Definition
A: Title
B: Purpose
C: Procedure
D: Analysis |
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Term
Q: What is the name for an educated guess or prediction based on observations? |
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Definition
A: Opinion
B: Law
C: Inference
D: Investment |
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Term
Q: The section of a lab report that gives the reader information about the subject of the experiment before any experiment is actually done is called the: |
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Definition
A: Background
B: Hypothesis
C:Data Collection
D: Conclusion |
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Term
Q: What requires only the senses to do? |
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Definition
A: Observe
B: Infer
C: Explain
D: Hypothesize
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Term
Q: When you give your opinion about something, you are making a(n)? |
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Definition
A: Observation
B: Inference
C: Description
D: Graph |
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Term
Q: Which of these pieces of safety equipment were NOT discussed in class? |
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Definition
A: Eyewash Station
B: Chemical Shower
C: Fire Blanket
D: Fire Extinguisher
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Term
Q: Identify 3 pieces of safety equipment and what they are used for.
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Definition
A) Equipment- Fire Blanket-To contain and control a fire or spill in the lab.
B) Equipment- Eyewash Station- To wash out chemicals that splashed in the eyes.
C) Equipment- Fire Extinguisher- To remove and put out a fire in the lab. |
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Term
Q: What is the difference between an observation and an inference?
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Definition
A: An observation uses the five senses to gather information about an object.
An Inference is an educated guess or prediction based on observations.
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Term
Q: Name two precautions we took when working with fire in the candle lab. Think about the safety rules.
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Definition
A: Precautions for safety in the candle lab:
1. Light the match away from you and others.
2. Hold match horizontal.
3. Remove tripping hazards.
4. Blow out match.
5. Clean desk surface. |
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Term
Q: What is the Hypothesis? |
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Definition
A: Using the word if and then making a prediction about the outcome of the experiment. A well-worded hypothesis is a guide for how to set up and perform an experiment. |
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Term
Q: What are the two variables in every experiment?
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Definition
A: Independent variable: part of the experiment that the scientist changes. There should be only one variable at a time.
Dependent variable: part of the experiment that changes because the Independent variable changes. This results from data collected that scientists need to have a way to communicate. |
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Term
Q: What was your assigned safety poster project rule? |
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Definition
A: Never taste, smell or touch lab chemicals. This is important as the chemical may get inside your eyes and injure the eye. It keeps others safe as you would have clean hands and not pass dangerous chemicals back and forth in a lab environment. |
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Term
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Definition
A:Anything that can affect the outcome of an experiment. |
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Term
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Definition
A: A set of hypothesis that have been supported by testing over and over again. |
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Term
What are the materials of an experiment? |
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Definition
A list of equipment and materials needed to reproduce the experiment. |
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Term
What is the procedure of an experiment? |
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Definition
A numbered list of steps detailing exactly how to perform the experiment. |
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Term
What is the data in an experiment? |
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Definition
A table and possibly a graph showing the data obtained in the experiment. |
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Term
How do we analyze an experiment? |
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Definition
By writing a paragraph identifying any patterns or comparisons that emerge from looking at the data. |
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Term
What does the conclusion tells us in an experiment? |
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Definition
1. Restates the hypothesis.
2. Answers whether it was supported or unsupported.
3. Cites proof from the Lab.
4. Explains how the citations prove his or her point.
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Term
What are the steps in the scientific method? |
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Definition
Step 1. Identify the problem to solve.
Step 2. Complete Background research.
Step 3. Put all information together for a best prediction and then form the if, then statement.
Step 4. Work with the prediction by testing it. This is where you design and perform the experiment
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Term
What information is included in the Lab Report? |
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Definition
1. Questions investigated with predicted outcome.
2. Outline procedures
3. Report data & observations.
4. Make interpretations & inferences. |
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Term
What does the title of the report indicate? |
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Definition
A unique way to identify the experiment.
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Term
What are key steps to an experiment? |
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Definition
1. Observation
2. Hypothesis
3. Experiment
4. Conclusion |
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Term
What are the two types of groups in an experiment? |
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Definition
1. Experimental - Receives the experimental treatment.
2. Controlled - Does not get experimental treatment.
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Term
What is the title for a Graph show?
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Definition
1. Description of the information presented.
2. Identifies the variables in the experiment.
3. The effect of (independent) on dependent.
4. The effect of sunlight on plant growth.
5. The effect of temperature on leaf color.
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Term
What are the axis labels? |
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Definition
Indentify the two variables
Independent goes on x-axis
Dependent goes on y-axis |
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Term
How do you measure the scale of a graph?
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Definition
1. Divide the range of numbers by the number of boxes you have.
2. Example: 0-100c in 25 steps
Example: 100 divided by 25 = 4 per step.
Important: numbers increase by the SAME AMT WITH
EACH STEP.
The data should extend at least two-thirds of the way across the space.
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Term
How do you record the data points on a graph? |
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Definition
1. Mark each data point using whatever method the instructions will ask for.
2. Do not connect to the origin unless told to do so.
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Term
What does the KEY of a graph do? |
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Definition
If more than one "set" of data are present, they need to be separated using different symbols.
Example: "The Effect of Sunlight on the Growth of Plant A and B" would have two sets of data.
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Term
For the Plant Music Album what are the experimental steps? |
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Definition
1. Background- The effect of music upon plant growth has been studied at least since 1906.
2. Purpose- That exposing plants to high pitched sound can triple their growth.
3. Conclusion- We conclude that some presently unknown plant response mechanism may operate in sonic manipulated environments of that some known mechanism may respond in some unknown manner in such environments. |
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