Science General Knowledge

What is the closest planet to the Sun?

• Venus

• Mars

• Mercury

• Jupiter

What is the chemical symbol for water?

• OH

• H2O

• O2H

• HO2

What is the process by which plants make their own food called?

• Pollination

• Transpiration

• Respiration

• Photosynthesis

What is the largest organ in the human body?

• Heart

• Lung

• Liver

• Skin

What is the force that pulls objects towards the center of the Earth?

• Magnetism

• Buoyancy

• Gravity

• Friction

What is the chemical symbol for oxygen?

• O

• N

• H

• C

What is the process of a liquid turning into a gas called?

• Solidification

• Sublimation

• Condensation

• Evaporation

What is the study of living organisms called?

• biology

• chemistry

• astronomy

• geology

What is the hardest natural substance on Earth?

• Diamond

• Plastic

• Wood

• Steel

What is the process of a gas turning into a liquid called?

• Evaporation

• Sublimation

• Solidification

• Condensation