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13 questions
What material would freeze when you cool it?
The milk inside a glass
A bottle with something in it.
A plastic chocolate milk carton.
Sam cooked chopped up potatoes on the stove. The potatoes became soft and brown. What is the effect of cooking the potatoes?
The potatoes turned black and changed into ashes.
The potatoes turned from a solid to a liquid.
The color and texture of the potatoes changed.
What materials are changing from a solid to a liquid?
Sarah places orange juice in the freezer. Then next morning she notices that the juice is frozen.What happened to the juice while it was in the freezer?
The juice changed from a solid to a liquid.
The juice changed color and size.
The juice changed form a liquid to a solid.
What happens when a candle is lit?
The wax melts.
The wax turns to ashes.
The wax stays the same.
What happens when you burn wood?
The wood melts.
The wood turns to black ashes.
The wood stays the same shape.
What would happen if you put a crayon in the freezer?
It would change color.
It would change shape.
It will stay a solid.
Lemonade changing from a liquid to a solid and then back to a liquid is an example of what change ?
liquid-> Solid-> liquid
Reversible
Irreversible
What is causing the matter to change in this picture?
The egg is cooking.
The egg is burning.
The egg is melting.
Pick 2 irreversible changes.
A fire burning.
Melting a crayon.
Frozen lake in winter.
Cupcakes baking in the oven.
Pick 2 reversible changes.
A fire burning.
Melting a crayon.
Cupcakes baking in the oven.
Frozen lake in the winter.
How do you know if a change is irreversible?
The material will never go back the way it was.
The material will stay the same type of material.
The material will change from a solid to a liquid.
Cooking and burning are examples of what kind of change?
reversible change
irreversible change
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