What is the energy associated with deformation called?
Elastic Energy
100
What is the energy associated with heat called?
Thermal Energy
100
What is the energy associated with noise called?
Sound Energy
200
What two factors determine how much kinetic energy an object has?
Speed and Mass
200
What is the other name for gravitational energy?
Potential Energy
200
What two factors determine how much elastic energy an object has?
Deformation and Rigidity
200
What two factors determine how much thermal energy an object has?
Temperature and Mass
200
Does a loud sound or a soft sound have more sound energy?
A loud sound has more sound energy.
300
When does a toy car have more kinetic energy: when it is moving at 2 miles per hour or when it is moving at 5 miles per hour?
5 miles per hour
300
What two factors determine how much gravitational energy an object has?
Height and Mass
300
If an object is very very rigid, but it is not deformed, does it have elastic energy?
No
300
Which molecules have the most kinetic energy: the molecules in a solid, liquid, or gas?
Gas molecules
300
Can solids have sound energy? Can liquids and gases?
Solids, liquids, and gases can all have sound energy.
400
Ball A weighs 3 pounds and ball B weighs 7 pounds. They are both moving at 4 miles per hour. Which ball has more kinetic energy?
Ball B
400
There is a pencil sitting on a chair, 2 feet off the ground, and there is a pencil sitting on a table, 3 feet off the ground. Which one has more gravitational energy?
The pencil on the table has more gravitational energy.
400
Ruler A is bent just a little bit. Ruler B is bent a lot. They are equally rigid. Which one has more elastic energy?
Ruler B
400
Which has more thermal energy, a cup of water, or a bathtub full of water?
A bathtub full of water has more thermal energy.
400
When something is vibrating and making sound, it is losing energy. Where does this lost energy go?
This energy is lost to its surroundings.
500
Cart 1 has a mass of 15 grams and is moving at 6 miles per hour. Cart 2 has a mass of 21 grams and is moving at 7 miles per hour. Which cart has more kinetic energy?
Cart 2
500
There is a box on a tall shelf that weighs 8 pounds. There is another box on the same shelf that weighs 10 pounds. Which box has more potential energy?
The box that weighs 10 pounds has more potential energy.
500
Ball A is very rigid, like a marble. Ball B is not very rigid, like a handball. If they are deformed the same amount, which one has more elastic energy?
Ball A
500
When do you have thermal energy, when you are outside in January and you are cold, or when you are inside and warm under a blanket?
You have more thermal energy when you are warm!
500
How does sound energy travel? How does a sound from across the room reach your ears?
Sound energy travels through air molecules moving back and forth as a wave.