Grade 8 diagnostic test

What is the boiling point of water at sea level?

• 0°C

• 50°C

• 100°C

• 200°C

Which of these is a non-renewable energy source?

• Wind

• Solar

• Coal

• Water

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

• Respiration

• Digestion

• Photosynthesis

• Fermentation

What is the smallest unit of life?

• Organ

• Cell

• Tissue

• Organism

Which part of the plant is mainly responsible for photosynthesis?

• Root

• Stem

• Leaf

• Flower

What does the term "evaporation" mean?

• Water turning into ice

• Water changing to gas

• Gas changing to water

• Ice melting into water

What force pulls objects toward the center of the Earth?

• Magnetism

• Friction

• Gravity

• Buoyancy

What is the purpose of the roots in a plant?

• To make food

• To absorb water and nutrients

• To support the plant

• To produce flowers

Which of the following is a characteristic of a solid?

• Fixed shape and volume

• No fixed shape, fixed volume

• No fixed shape, no fixed volume

• Can be easily compressed

What is the primary source of energy for the Earth?

• The Moon

• The Sun

• The Wind

• The Oceans