pop rocks
Terms
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- Gravity
- A force of attraction that exists between any objects with mass
- Force
- a push or pull exerted by one object on another causing a change in motion
- Conduction
- the transfer of energy by direct contact of molecules
- Inertia
- the tendency of an object to oppose a change in motion
- Acceleration
- the change in velocity of a moving object with time
- Velocity
- the speed and direction of a moving object
- Momentum
- the mass of an object multiplied by itsvelocity
- Convection
- the transfer of heat energy by the flow of a liquid or gas
- Friction
- a force that opposes motion of an onject in contact with a surface
- Balanced Forces
- Forces that cancel each other out when acting together on a single object
- Net Force
- The combined effect of all of the forces acting on an object
- Kinetic Energy
- the energy of a moving object
- Potential Energy
- the energy that is stored in an object or material
- What are two types of Mechanical Energy?
- dishwasher and dryer
- What are two examples of radiant energy?
- burner and the light of the sun
- What are two examples of Chemical Energy?
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battery and dynamite
(food also) - What are two examples of Heat Energy?
- Sun and oven
- What are two examples of Electrical Energy?
- solar panels and generator
- What are two examples of Renewable Energy?
- solar cells and hydraulic energy
- What are two examples of Non-renewable energy?
- Coal and fossil fuels
- What is the difference between Velocity and Speed?
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Velocity - is speed and direction of a moving object
Speed - is how fast an objects position changes with time at any given moment - What is the difference between Kinetic and Potential eneregy?
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Kinetic - is energy of a moving object
Potential - is the energy that is stored in an object or material - Give examples of Kinetic energy
-
car moving down the street
bowling ball going down the alley - Give examples of Potential energy
-
a battery
big heavy weight about to fall - Draw a roller coaster and put an X on the spot that has the most potential energy and an O on the spot that has the most Kinetic energy
- Draw
- Draw two seperate examples of energy transformations. Name each object and the type of energy it has and the type of energy it is being transformed into.
- Draw 2