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Definition
| Matter - which is most everything in our lives (including us) |
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Term
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Definition
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| What is a chemical reaction? |
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Definition
| when molecules change from one arrangement of atoms to another |
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Definition
| particles of light that are emitted by matter particles |
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Definition
| They carry energy from one place to another. Atoms and molecules emit and absorb particular energies. |
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Term
| What lab did we do with photons? |
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Definition
| Spectrophotometry lab. We found out how much of a substance was in a mixture by how much light of a particular wave frequency it absorbed. |
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Term
| How do photons move? What lab demonstrated this? |
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Definition
| as though they are riding on waves - The Index of Refraction Lab - saw how the wave nature of light affects photon motion as they go from air to a different fluid |
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Term
| What are the forms of energy? |
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Definition
| Potential, Kinetic, Heat, and Mass |
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Term
| What is potential energy? |
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Definition
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Term
| Lifting an objects gives it more ______ energy due to gravity. |
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Definition
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| Molecules have ____ energy that can be released during a chemical reaction |
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Definition
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Term
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Definition
| when an object is moving, its energy is 1/mv^2, where m is the mass of the object and v is the speed |
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Term
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Definition
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| What is heat? How does it effect the motion of air and solid molecules? |
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Definition
| Heat is the motion of atoms and molecules. When air gets hotter, the air molecules are moving faster. When a solid object's temperature is raised, it's atoms contain more vibrational energy. |
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Term
| What is Mass? What happens in a chemical reaction when the energy coming out is converted from mass? |
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Definition
Mass is a form of energy.
When a chemical reaction like the ones we obeserved releases energy, the atoms and molecules become a little lighter because the energy coming out is converted from mass |
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Term
| Since nuclear reaction produce more energy, the mass differences are _____. |
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Definition
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Term
| Energy can be converted from type to another, and exchanged from one object to another. True or False? |
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Definition
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Term
| What are the different forces? |
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Definition
| Gravity, The Electromagnetic Force, and The Strong Nuclear Force |
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Term
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Definition
| one of the fundamental forces of nature, it is an attractive force between all things. |
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Term
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Definition
| how much heat energy is required to raise the temperature of a piece of metal by one degree |
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Term
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Definition
| The Earth's gravitational attractive force on your body |
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Term
| The planets orbit the sun do to _____. |
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Definition
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Term
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Definition
| holds electrons to atomic nuclei and holds atoms together in molecules |
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| What force drives chemical reactions? |
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Definition
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Term
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Definition
| A force that resists motion - turning an objects kinetic energy into heat |
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Term
| Friction is a force that resists motion - since it is the ________ force through which matter interacts on human scales, friction is really atoms interacting through the ________ force. |
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Definition
| The Electromagnetic Force |
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Term
| What does the strong nuclear force do? |
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Definition
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Term
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Definition
| shows that there are many different arrangements of protons and neutrons |
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Term
| Nuclear processes and changes in the atomic nuclei are driven by ? |
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Definition
| strong nuclear force and the electromagnetic force |
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Term
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Definition
| All objects that have a mass generate a gravitational field that draws other objects. Earth is a very massive object, so it has a strong field. |
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Term
| What produces electric fields? |
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Definition
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Term
| What does an electron do via its electric field? |
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Definition
| An electron repels another electron via its electric field, but it attracts a proton |
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Term
| What is the Earth's magnetic field produced by? |
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Definition
| An electric current(moving electrons) in Earth's core - this can affect other moving charges, like particles moving past the Earth |
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Term
| What happened in the lab which water was heated by a light bulb? |
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Definition
| energy flowed from the electrons in the light bulb's electricity to the molecules in the water |
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Term
| What happened in the Airtrack lab? |
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Definition
| when the car moved downhill potential energy was converted to kinetic |
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Term
| What happened in the lab were we viewed the spectra of light emitted by gasses? |
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Definition
| photons carried energy between objects |
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Term
| What happened in the telescope lab? |
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Definition
| The telescope collects photons - similar to the way our eyes collect photons when we see something |
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Term
| What happened in the Sound Waves Tube Lab and the Standing Waves lab? |
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Definition
| Energy is carried by other types of waves, like sound waves and waves on a string. |
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Term
| The Electromagnetic force causes the _____ force? What does this force do? |
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Definition
| Magnetic Force and is felt between moving electrons |
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