Understanding Plant Growth and Hydroponics

What do plants use to drive photosynthesis?

• Water

• Nutrients

• Soil

• Sunlight

Which gas is essential for photosynthesis besides oxygen?

• Hydrogen

• Nitrogen

• Methane

• Carbon dioxide

What are the three main organs of a plant?

• Roots, stems, leaves

• Branches, flowers, seeds

• Fruits, roots, bark

• Leaves, flowers, fruits

What is NOT a resource that plants need to survive?

• Water

• Light

• Carbon dioxide

• Dirt

Where does most of a plant's photosynthesis take place?

• Roots

• Flowers

• Stems

• Leaves

What do stems primarily do in a plant?

• Absorb sunlight

• Produce fruits

• Release oxygen

• Carry water and nutrients

What role do roots play in a plant?

• Generate seeds

• Produce flowers

• Absorb water and nutrients

• Hold the plant upright

What can grow in a setup with just a wet paper towel and light?

• A metal screw

• A plastic bead

• A piece of wood

• A bean seed

What method allows plants to grow without soil?

• Aerodynamics

• Photosynthesis

• Geotropism

• Hydroponics

What is mixed in the water in hydroponics to support plant growth?

• Sand

• Nutrients

• Soil

• Pebbles