Input And Output Energy- grade 4 Flashcards Preview

Science - grade 4 > Input And Output Energy- grade 4 > Flashcards

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

What is input energy?

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

2

What is output energy?

The energy that comes out of the system.

3

What is stored energy?

Energy that is found in an object an used later.

4

Give examples of stored energy

Food, better is, wood, paraffin, coal

5

Why does a machine need energy?

Is needs energy to move or work or operate

6

What so machines and household appliances do with electricity?

They convert electrical energy into other useful energies.

7

What can electrical energy be transformed into?

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

8

What is the energy that goes into a system called?

Input energy

9

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

Output of energy

10

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

Energy transfer

11

How can one type energy change to another?

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

12

What does an input energy create?

An output energy like heat, light, movement or sound

13

System

Something that has 2 or more parts that work together