Plant Growth

Part 1

Which do all plants need to grow?

• Air

• Rocks

• Darkness

• Hot temperatures

Why do plants need air to grow?

• Plants must anchor themselves

• Plants cannot keep cool on their own

• Plants need heat to release their energy

• Plants use carbon dioxide to make food

Which best identifies what plants receive from sunlight?

• Energy

• Nitrogen

• Oxygen

• Sugars

Which do seeds need to germinate?

• Soil

• Water

• Minerals

• Sunlight

Why do plants need water to germinate?

• It keeps the seed cool and dark

• It releases energy stored in the seed

• It causes the seed to swell and break open

• It allows the seed to make food for the young plant

Which best identifies how plants use carbon dioxide?

• For energy

• To take in light

• For keeping cool

• To make food

Which do plants need for photosynthesis?

• Sunlight

• Oxygen

• Pollen

• Bees

Which of the following is a TRUE statement about plant growth?

• Plants cannot grow without warmth.

• Plants can grow without Sun's energy.

• Plants can grow without water.

• Plants can grow without air.

What is the product made from plants during photosynthesis?

• carbon dioxide gas

• water

• Sun's energy

• glucose

In which plant part does photosynthesis happen?

• Leaves

• Roots

• Stems

• Seeds