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LH-Science Test 6

Science Material Test 6

_____ makes things go. Energy
The _____ I eat gives me energy. food
The _____ is energy. It lifts a kite into the air. wind
_____ is energy. It turns a water wheel. Water
What makes a ball go up into the air? The energy I use to throw it.
What makes a ball come back down? gravity
What is gravity? The earth's pull on objects
Give one example of gravity at work. (Know 1) 1. an apple falling from a tree 2. a ball coming down 3. pouring water out of a glass
Name two ways we make things "go". 1. push 2. pull
_____ helps many things move. These make it easier for things to go. Wheels
Name two examples of doing work by "pushing". (know 2) 1. pushing a lawnmower 2. pushing bike pedals 3. pushing a shopping cart
Name two examples of doing work by "pulling". (Know 2) 1. pulling a wagon 2. pulling the oars in a boat 3. a horse pulling a cart
We burn _____ for energy. fuel
Name two objects that burn gas and oil for energy. (Know 2) 1. car 2. truck 3. plane 4. motorcycle 5. helicopter
When things rub together, they cause _____. friction
Is the following an example of friction?: A top stops spinning. yes
Is the following an example of friction?: An apple falling from a tree. no
Is the following an example of friction? A cart sitting still. no
Is the following an example of friction?: Scraping mud off shoes. yes
Is the following an example of friction?: Talking on the telephone. no
Is the following an example of friction?" A hole worn in a shoe. yes
Is the following an example of friction?: Chalk wearing down on a chalkboard. yes
What is providing the energy used by a river pushing logs? water
What is providing the energy used by a glider plane? wind
What is providing the energy used by a top fuel dragster? fuel
True/False: Friction makes water pour out of pitcher into a glass. False
True/False: Wheels can make things move by themselves on level ground. False
True/False: A lawnmower, bike, and cart would be hard to push if they had no wheels. True
True/False: A rubber mat in a bathtub helps to keep me from falling by using friction. True
True/False: Friction wears things down and causes heat. True
True/False: Rubbing your arms to warm them is called gravity. False
True/False: Friction causes rockets to get hot when moving through the air. True
True/False: There is the same amount of gravity on the moon and earth. False
Created by: PVA 2nd Grade
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