กระบวนการสังเคราะห์ด้วยแสง

What do plants create for energy?

• Carbohydrates

• Oxygen

• Nitrogen

• Water

Which process do plants use to make food?

• Fermentation

• Respiration

• Photosynthesis

• Digestion

What is one of the main ingredients for photosynthesis?

• Helium

• Sulfur

• Hydrogen

• Carbon Dioxide

What color change indicates the presence of starch in leaves?

• Red to yellow

• Brown to blue

• Brown to blue-black

• Green to yellow

Why is it important to plant trees?

• They grow faster than other plants

• They consume oxygen

• They help reduce greenhouse gases

• They produce carbon dioxide