Quiz Bee 56 (RED)

What is the main gas that makes up Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

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

• Respiration

• Photosynthesis

• Digestion

• Transpiration

What is the measure of the amount of matter in an object?

• Volume

• Weight

• Mass

• Density

Which of the following is a renewable source of energy?

• Solar power

• Coal

• Natural gas

• Nuclear power

What is the process by which rocks are broken down into smaller particles?

• Erosion

• Deposition

• Weathering

• Sedimentation

What is the basic unit of life?

• Cell

• Atom

• Molecule

• Organism

What property of a material allows it to be stretched without breaking?

• Hardness

• Elasticity

• Density

• Conductivity

What is the term for a community of organisms and their physical environment interacting as a unit?

• Habitat

• Ecosystem

• Population

• Biosphere

What is the colour of an object that reflects all colours of light?

• Black

• White

• Red

• Blue

What force opposes the motion of objects sliding against each other?

• Magnetic force

• Gravitational force

• Frictional force

• Tension force