Changes of state
What is the name of the change from liquid to solid
freezing / solidification
What type of change occurs when you cut a paper?
Physical change
A pencil at the top of the desk
stored energy
The energy that transfers from a hot object to a cold object
heat energy
Give an example of evaporation
. . .
What type of change occurs when you burn a paper?
Chemical change
Running around in the recess is what type of energy?
Movement
Energy that can be perceived by our ears
sound energy
When you leave ice in the sun is an example of:
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Chemical changes are irreversible, what does this mean?
That it can't go back to its original form
The kind of energy a battery has
stored / chemical energy
Mention something with no energy
Everything has energy
What is condensation?
When gas transforms to liquid
What is the meaning of reversible?
That something can go back to its original form
Iphone has what type of energy?
electrical
Energy present in food
Chemical /stored energy
Give an example of condensation
. . .
Mention 2 signs of a chemical change
Smell, change in color, change in temperature, production of gas
Mention two types of energy that are in a person playing guitar
sound, movement
Give an example of energy transfer
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