science 2

it uses .... energy to produce heat energy

• heat

• light

• stored

• kinetic

read the following table

1. laptop

2. Iron

3. Stove

4. Door Bell

the energy transformation of the electrical energy to sound energy happens to object number ...

• 1

• 2

• 3

• 4

A ... is object of how light energy is transformed to electrical energy

• table lamp

• flashlight

• light bulb

• solar panel

the picture shows the changing form of stored energy to .... energy and .... energy

• light, sound

• heat, stored

• heat, kinetic

• light, kinetic

Read the following table

1. toy robot

2. electric fan

3. wind turbine

4. washing machine

the object that shows energy transformation of kinetic energy to electrical energy is shown by number ...

• 1

• 2

• 3

• 4

Read the following

1. TV

2. Fan

3. Iron

4. Blender

the objects that produce kinetic energy are shown by number .... and ....

• 1 and 2

• 1 and 3

• 2 and 3

• 2 and 4

Read the following table

1. to hear music

2. to light the dark place

3. to move from one place to another

4. to keep in matter, wait to be used

from the table, the benefit of stored energy is shown by number

• 1

• 2

• 3

• 4

the object use kinetic energy to generate ....

• heat

• light

• sound

• electricity

the correct way to protect the environment is ....

• cutting down many trees

• using car for short distance

• using less paper and less plastic

• turning on the electricity all day and night

the correct way to save water is ....

• taking a longer shower

• washing full loads of clothes

• running on the tab after using it

• throwing the garbage into the river