Basics
What is one type of energy?
Sound/ Heat/ Kinetic/ Potential
An object has energy when.....
it is moving
True or false:
Heat is energy
True
True or false: Sound is matter
false
Molecules create
Matter
Solid, Liquid, Gas
Potential energy is when....
An object is still but it has the potential to gain energy and move.
What is a conductor?
A material that allows heat to flow through easily.
When do the molecules vibrate quicker?
A. When Dariel whispers to Xavier
B. When Brianna yells at Aubri for their messy room
B
The faster something moves the ________ kinetic energy it has.
more
Anything that has mass and takes up space is.....
Matter
When Melvin dribbles a basketball, does he have kinetic or potential energy?
Kinetic
Fill in the blanks: Heat transfers from _______ to _______.
Hot to cold
How does sound travel?
It makes air molecules vibrate and collide
A slide is better if it is made out of metal or plastic? Why?
Plastic. Metal will get too hot in the sun.
The amount of matter an object has is called?
Describe how molecules move when an object has energy?
They vibrate quickly and collide with each other
What is an insulator?
A material that keeps heat where it is. It does not allow heat to flow through easily.
Describe what happens when you put a speaker next to a cup of water.
Why does ice cream melt outside on a hot summer day?
Answer includes: "heat transferring from the sun to the cold ice cream "
True or False: Energy can be transferred(moved) place to place.
True.
Draw something that has kinetic energy.
Answers may vary
What has more energy, a hot coffee or an ice cube?
A hot coffee
Why can't I hear when I cover my ears?
The sound molecules cannot travel through the air from the object making sound into my ear to my ear drum.
(Teacher choice)
Molecules are made up of....
Atoms
*This is not on the test!!!!**