Exploring Science: 6th Grade Quiz

What is the term for the process by which plants make their own food using sunlight?

• Photosynthesis

• Respiration

• Digestion

• Fermentation

Which of the following is a basic unit of life?

• Atom

• Molecule

• Cell

• Organ

What is the main gas used by plants during photosynthesis?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Which of the following best describes the function of the roots in a plant?

• To produce flowers

• To absorb water and nutrients

• To perform photosynthesis

• To release oxygen

Classify the following organism: A frog.

• Mammal

• Reptile

• Amphibian

• Bird

Which of the following processes involves the movement of water through a plant from roots to leaves?

• Transpiration

• Evaporation

• Condensation

• Precipitation

Explain why leaves are typically green.

• They contain chlorophyll, which absorbs sunlight.

• They reflect all colors of light.

• They contain a high amount of water.

• They are covered in a green wax.

Which of the following is an example of a carnivore?

• Cow

• Lion

• Rabbit

• Deer

What is the role of the sun in the water cycle?

• It provides energy for evaporation.

• It causes precipitation.

• It absorbs water from the atmosphere.

• It cools down the water.

Which of the following is a non-renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric energy