Energy and Machines  

created by Jena.13 on 24 Nov 11, enabled by jimmy
Medium level (68% of success)    16 questions - 492 players
4th grade Science Test-Energy and Machines
 
1
What is the ability to do work called?
   
   
   
2
When wood is burned, stored energy changes to
   
   
   
3
What is stored energy called?
   
   
   
4
How does a lever help do work?
   
   
   
5
A compound machine is made up of
   
   
   
6
What kind of energy does a baseball hit by a bat have?
   
   
   
7
Which can change ELECTRICAL energy to SOUND energy?
   
   
   
8
Which one is the energy of MOTION?
   
   
   
9
Why is a fixed pulley useful?
   
   
   
10
What does a battery hold?
   
   
   
11
What kind of energy do food and fuels contain?
   
   
   
12
Which one is NOT an example of kinetic energy?
   
   
   
13
Which one of these machines DOES NOT decrease force?
   
   
   
14
Which statement is NOT true?
   
   
   
15
Which statement is NOT true?
   
   
   
16
Which list includes the simple machines that make up a can opener?
   
   
   

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