Motion
You need to know _______ and ___________ to determine the speed of a running cheetah.
distance and time
Batteries are used to power all kinds of things that we use every day. The energy stored in a battery is called _________ enrgy.
chemical
FREE
Nuclear
This law of conservation of energy states that energy cannot be _______ or _________.
Created or destroyed
Give an example of something that would be best measured in kilometers per hour.
Answers vary but the speed of a car on a road trip (in England).
A skate boarder has potential energy at the top of a ramp. As the skater goes down the ramp the potential energy converts into ____________ energy.
kinetic
Energy exists in different forms. The form of energy that is stored in food is ___________.
Chemical energy
Name an example of the law of conversation of energy at work
Answers vary. Energy in a flashlight is not created and doesn't disappear. It just transforms from chemical to electrical to light and thermal.
HOw old is Mr. Tapia
...
The energy generated from the nucleus of an atom.
Nucler Energy
A flashlight changes chemical energy in a battery to electrical energy and then into which two other forms of energy?
light and thermal energy
A roller coaster has this energy at the top of a hill.
Potential energy
According to our book, to describe an object's location you need a ________ ________ and ___________.
Reference point and position
Mr. Tapia's Truck
How is most of the energy on the sun generated?
Nuclear reactions
As a roller coaster moves on tracks, friction is created. Friction is observed in the form of this energy.
heat energy (thermal energy is also acceptable)
A dog is chasing a herd of deer. The dog runs 60 meters in 10 seconds. The speed of the dog is _____.
6 m/s
A flashlight emits both heat an light. The energy for this to happen comes from _______.
Electrical energy from the battery (chemical energy is also acceptable)
Gordon throws a baseball into the air. It rises, stops when it reaches its greatest height, and then falls back to the ground. At what point does kinetic energy convert to potential energy?
When the ball is rising
In order for the roller coaster to move, energy transformations must take place. Describe one energy transformation in the roller coaster.
As the coaster goes down the hill potential energy is transformed into kinetic energy.