science

What is the main source of energy?

• sun

• moon

• food

• banana

How do plants obtain their energy?

• from the air

• from the sun

• from the water

• from the animals

Where do living beings get their energy?

• from substances called candies

• from substances called pop corn

• from substances called soda

• from substances called nutrients

If plants breathe in carbon dioxide, what do they breathe out?

• acid rain

• hydrogen

• oxygen

• oxign

What colour is chlorophyll?

• yellow

• red

• green

• blue

What three things do plants need for the process of photosynthesis?

• water, sunlight, carbon dioxide

• minerals, hydrogen, oxygen

• moonlight, water, hydrogen

• flowers, fruits, leaves

which of the following organisms is an autotroph?

• A dog

• A tree

• A cat

• A boy

Which of the following organisms is heterotroph?

• grass

• tiger

• plant

• ball

What is photosynthesis?

• Photosynthesis is the process plants use to make its food.

• Photosynthesis is the process plants eat apples

All living things need_______to do activities.

• energy

• ball

• candy

• toys