Science Energy

Description

Elementary/Primary School Exams Science Quiz on Science Energy, created by chrisrod98 on 07/06/2013.
chrisrod98
Quiz by chrisrod98, updated more than 1 year ago
chrisrod98
Created by chrisrod98 almost 11 years ago
120
1

Resource summary

Question 1

Question
What is a Joule?
Answer
  • A unit of energy
  • A type of energy

Question 2

Question
Why is energy important?
Answer
  • It makes things move and grow.
  • It is required to make things happen.

Question 3

Question
What is potential energy?
Answer
  • Energy which can be change to different types.
  • Energy stored in an object due to its position.

Question 4

Question
What is heat energy?
Answer
  • Energy that is possessed by all hot objects.
  • Energy which is hot

Question 5

Question
What is chemical potential energy?
Answer
  • Energy held in bonds between atoms.
  • Energy from chemicals

Question 6

Question
What is kinetic energy?
Answer
  • Energy from stationary objects
  • Energy possessed by all moving objects.

Question 7

Question
What is a Watt?
Answer
  • A unit of energy
  • A unit of power

Question 8

Question
What is electrical energy?
Answer
  • Currents in electric.
  • Energy carried by moving charges

Question 9

Question
Gravitational potential energy?
Answer
  • Energy possessed by all objects, which are high up
  • Energy in falling objects

Question 10

Question
What is elastic potential energy?
Answer
  • Energy in rubber bands
  • Energy stored in squashed or stretched objects

Question 11

Question
What is nuclear potential energy?
Answer
  • Energy stored in the nucleus of an object.
  • Energy in radioactive materials

Question 12

Question
When would an object have more kinetic energy?
Answer
  • When it increases speed
  • When it slows down

Question 13

Question
Why is heat energy a type of kinetic energy?
Answer
  • Because fire moves
  • Because it is due to the movement of particles, which speed up when an object is heated.

Question 14

Question
What is radiant energy?
Answer
  • Energy carried by electromagnetic waves like light and xrays.
  • Energy that is radiant

Question 15

Question
1 Kilo Joule is equal to...
Answer
  • 1000 Joules
  • 100 Joules

Question 16

Question
1 calorie is equal to...
Answer
  • 4 kilo Joules
  • 4.2 kilo Joules

Question 17

Question
How to interpret constant speed?
Answer
  • Equal distance in equal interval of time
  • The graph is bent

Question 18

Question
How to interpret accelerating graph?
Answer
  • Unequal distance in equal interval of time
  • Straight graph

Question 19

Question
Energy input=_____ energy+_______ energy
Answer
  • Useful and waste
  • heat and chemical

Question 20

Question
How to find the energy efficiency of something?
Answer
  • Divide by 5 then times 100
  • Useful energy output divide total energy input times 100 and answer is in %

Question 21

Question
How to find distance with speed and time?
Answer
  • Speed divided by time
  • Time divide by speed

Question 22

Question
How to find time with distance and velocity?
Answer
  • Distances divide by velocity.
  • Times distance by velocity

Question 23

Question
What is the conservation of energy law?
Answer
  • Energy can neither be created or destroyed but it can be changed from one form to another (or passed between objects)
  • Energy cannot be over used
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