Grade 3 Science Quiz Bee

What is the main source of energy for the Earth?

• The Moon

• The Sun

• The Stars

• The Wind

Which part of the plant absorbs water and nutrients from the soil?

• Leaves

• Stem

• Roots

• Flowers

What do we call the process by which plants make their own food?

• Respiration

• Photosynthesis

• Digestion

• Germination

Which gas do plants take in from the air to make food?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

What is the largest planet in our solar system?

• Earth

• Mars

• Jupiter

• Saturn

What do we call the change from a caterpillar to a butterfly?

• Evolution

• Metamorphosis

• Photosynthesis

• Germination

Which part of the human body pumps blood?

• Brain

• Lungs

• Heart

• Stomach

What is the boiling point of water?

• 50°C

• 75°C

• 100°C

• 150°C

What do we call animals that eat only plants?

• Carnivores

• Herbivores

• Omnivores

• Insectivores

Which planet is known as the Red Planet?

• Venus

• Mars

• Jupiter

• Saturn