Everyday Heat
What do we use an oven for?
Cooking and baking
Are all changes caused by heat reversible? Why or why not?
No, some changes caused by heat are not reversible because they can not be returned to their original state.
What is an example of a push? How does it change the object's speed or direction?
Answers will vary: (push on swing, kicking a ball, etc)
Is hitting a tennis ball with the tennis racket a push or a pull?
Push
What tool do you use to dry clothes?
A dryer
Name a reversible change caused by heat.
Answers may vary: (melting butter, chocolate, ice cream, etc)
How can pushes change the speed of an object?
Pushes make an object move faster.
Can pushes change the direction of an object?
Yes
Name one way that we use heat in our lives?
Answers will vary: (Drying clothes, cooking food, ironing clothes)
Name a non-reversible change caused by heat.
Answers may vary: (Baking bread, roasting marshmallows, etc)
How does a net change the movement of a ball?
The net slows the ball down and changes the direction of the ball.
Give an example of a push or pull that changes the speed AND the direction.
Answers will vary: (kicking a ball, hitting a baseball)