Term
| What number represents the acceleration due to gravity? |
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Definition
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Term
| When should you report a lab accident? |
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Definition
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Term
| When you drop a nail, a piece of paper, and a foam ball, which will hit the ground first (in the absence of air resistance)? |
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Definition
| All will hit at the same time |
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Term
| What is the speed of an object at rest? |
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Definition
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Term
| In the equation E=mc2, what does the c stand for? |
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Definition
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Term
| What force is always acting in a downward direction? |
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Definition
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Term
| What is the metric prefix for 1/1000? |
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Definition
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Term
| What is the metric prefix for 1/100? |
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Definition
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Term
| What is the metric prefix for 1000? |
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Definition
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Term
| The opposite reaction to fusion |
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Definition
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Term
| What quantity is equal to one half the mass of the object times the velocity squared? |
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Definition
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Term
| The factor in an experiment that the experimenter has control over |
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Definition
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Term
The factor in the experiment that changes as the result of the independent variable |
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Definition
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Term
| The factor that remains the same throughout an experiment, used for comparison |
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Definition
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Term
| Something occuring in nature that we detect through one of our five senses |
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Definition
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Term
| A conclusion that we draw based on observations |
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Definition
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Term
| What is the unit for work? |
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Definition
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Term
| What is the unit for kinetic energy? |
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Definition
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Term
| What is the unit for potential energy? |
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Definition
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Term
| Which of Newton's Laws states an object maintains its state of motion unless acted on by an outside force? |
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Definition
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Term
| Which of Newton's laws expresses the relationship between force, mass, and acceleration? |
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Definition
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Term
| What word represents the resistance of an object to changes in motion? |
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Definition
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Term
| What property of an object is inertia directly related to? |
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Definition
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Term
| How are gravity and distance between two objects related? |
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Definition
| inversely, as distance increases, gravity decreases |
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Term
| How are gravity and mass related? |
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Definition
| directly, as mass increases, gravity increases |
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Term
| As a ball rolls down a hill potential energy changes into __________ energy. |
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Definition
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Term
| Power is the rate at which __________ is done. |
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Definition
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Term
| What two things keep planets in their elliptical orbits? |
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Definition
| the forward inertia of the planet and the sun's gravity |
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Term
| If a scientist does an experiment and her hypothesis turns out to be wrong can she change her data to make it fit the hypothesis? |
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Definition
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Term
Is is okay to modify a hypothesis? |
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Definition
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Term
| Where does nuclear fusion occur? |
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Definition
| In all stars including our sun |
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Term
| What force always opposes motion? |
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Definition
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Term
| What number are conversions in the metric system based on? |
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Definition
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Term
| What are the steps a scientist takes to test a hypothesis called? |
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Definition
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Term
| If two people are pulling on an wishbone and it eventually breaks, were the forces balanced or unbalanced on the wishbone? |
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Definition
| balanced until it broke, when they became unbalanced the force in one direction was stronger causing it to break |
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Term
| What do we call a push or a pull on an object? |
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Definition
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Term
| What is a force acting over a distance? |
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Definition
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Term
| What is the rate of change in velocity over time? |
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Definition
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Term
A bug splatters on a windshield. The bug hitting the windshield is the action force. What is the reaction force? |
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Definition
| The windshield hitting the bug. |
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Term
| True or false: Mass can be converted into energy |
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Definition
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Term
| Fusion is when an atomic nucleus ______________________. |
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Definition
| combines with another atomic nucleus |
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Term
| Fission is when an atomic nucleus ______________________. |
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Definition
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Term
| If you push on a boulder for a long time with all your strength, but it does not move, have you done any work on the boulder? |
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Definition
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Term
| What three factors affect the amount of gravitational potential energy and object has? |
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Definition
| the mass of the object, its height above the ground and the acceleration due to gravity |
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Term
| What quantity represents how fast something is going? |
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Definition
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Term
| What three lab situations require the use of goggles? |
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Definition
use of heat, glassware, or chemicals |
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Term
| What quantity is the product of mass and velocity? |
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Definition
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