Gr 3 3rd Summative SCIENCE Light, Heat, Sound, and Electricity

Choose the luminous objects.

sun

stars

moon

bulb

Choose the non-luminous objects.

sun

stars

moon

bulb

The glowworms produce their own light called ____.

• luminous

• non-luminous

• bioluminescence

Choose the natural sources of lights:

flourescent lamps

sun

stars

candles

bonfires

glowworms

Choose the artificial sources of lights:

flourescent lamps

sun

stars

candles

bonfires

glowworms

Heat energy from the sun keeps our planet warm and it is called ____.

• solar energy

• geothermal energy

• fossil fuels

It is a kind of heat energy that is generated from Earth's core.

• solar energy

• geothermal energy

• fossil fuels

The remains of plants and animals can also produce heat energy and they are called ____.

• solar energy

• geothermal energy

• fossil fuels

Fossil fuels are form from the soil.

• true

• false

Solar energy keeps our planet warm.

• true

• false