Science Quiz for Grade 8 Students

What is the chemical symbol for gold?

• Au

• Fe

• Ag

• Pt

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

• Respiration

• Fermentation

• Transpiration

• Photosynthesis

What is the largest organ in the human body?

• Heart

• Lung

• Skin

• Liver

What is the unit of measurement for force?

• kilogram (kg)

• second (s)

• meter (m)

• newton (N)

What is the chemical formula for water?

• O2H

• H2O

• HO2

• H3O

What is the study of the Earth's atmosphere called?

• Meteorology

• Geology

• Astronomy

• Biology

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

• centrifugal force

• magnetism

• electromagnetism

• gravity

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

• Solidification

• Sublimation

• Condensation

• Evaporation

What is the closest star to Earth?

• Mars

• The Moon

• Jupiter

• The Sun

What is the chemical symbol for oxygen?

• O

• H

• N

• C