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

• Respiration

• Photosynthesis

• Digestion

• Fermentation

How many main chambers does the human heart have?

• 1

• 2

• 3

• 4

Which of the following materials is a good conductor of electricity?

• Rubber

• Wood

• Plastic

• Copper

What is the process of water turning into water vapor?

• Melting

• Evaporation

• Condensation

• Freezing

Which force keeps objects on the ground and makes them fall when dropped?

• Friction

• Gravity

• Magnetism

• Buoyancy

What is the primary source of energy for the water cycle?

• Sun

• Moon

• Stars

• Ocean

Which of these objects would most likely absorb water the fastest?

• A dry paper towel

• A plastic toy

• A metal spoon

• A glass marble

Which pair of organs work together to help filter waste and excess fluids from the blood?

• Heart and lungs

• Liver and kidneys

• Stomach and intestines

• Brain and spinal cord

Which form of heat transfer involves the movement of hot fluids rising and cold fluids sinking?

• Conduction

• Insulation

• Radiation

• Convection

Which is NOT a physical property of gold?

• malleable   

• brittle

• ductile  

• hard