Light, colour, matter

Source of artificial light is :

• a torch

• a sun

• a star

• a candle

Choose colours which ARE NOT part a rainbow :

• yellow, green, blue

• red, yellow, violet

• green, blue, red

• red, orange, black

Things which give our light, the sun, the stars, torches and lamps are light source

• matter

• light sources

• mass

• transparent

The emptiness which object fill is

• vaccuum

• a matter

• transparent

• a space

Stone, wood, plastic, metal and glass are

• liquid state

• gas state

• solid state

Water, oil, petrol and blood are

• gas materials

• liquid materials

• solid materials

Change of state from liquid to solid is called :

• boiling

• melting

• freezing

• evaporation

Condensation is

• is the change of state from gas to liquid.

• change of state from liquid to gas

• change of state from gas to solid

Hot steam has ................. state.

• liquid

• solid

• gas

A natural material from trees is :

• stone

• wood

• metal

• paper