Input And Output Energy- grade 4 Flashcards Preview

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Flashcards in Input And Output Energy- grade 4 Deck (13)
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1
Q

What is input energy?

A

The energy that goes into a system to make it work.

2
Q

What is output energy?

A

The energy that comes out of the system.

3
Q

What is stored energy?

A

Energy that is found in an object an used later.

4
Q

Give examples of stored energy

A

Food, better is, wood, paraffin, coal

5
Q

Why does a machine need energy?

A

Is needs energy to move or work or operate

6
Q

What so machines and household appliances do with electricity?

A

They convert electrical energy into other useful energies.

7
Q

What can electrical energy be transformed into?

A

It can be transformed into heat, light, sound and movement energy.

8
Q

What is the energy that goes into a system called?

A

Input energy

9
Q

The paraffin put into a paraffin lamp is called input energy. What is the light that that it produces called?

A

Output of energy

10
Q

Energy can go from a source of energy to where it is needed. What is this called?

A

Energy transfer

11
Q

How can one type energy change to another?

A

Through transfer energy. Example, when we burn wood, the stored energy s changed to light or heat energy

12
Q

What does an input energy create?

A

An output energy like heat, light, movement or sound

13
Q

System

A

Something that has 2 or more parts that work together