Science Challenge for Grade 5

What is the process by which plants make their food?

• Transpiration

• Respiration

• Digestion

• Photosynthesis

What is the boiling point of water in degrees Celsius?

• 100

• 120

• 75

• 90

Name the largest planet in our solar system.

• Saturn

• Mars

• Earth

• Jupiter

What is the chemical formula for water?

• CO2

• H2O

• H2O2

• NaCl

What do we call the change of state from liquid to gas?

• Freezing

• Condensation

• Sublimation

• Vaporization

Which organ in the human body is responsible for pumping blood?

• Kidneys

• Liver

• Lungs

• Heart

What is the main gas found in the air we breathe?

• Carbon Dioxide

• Hydrogen

• Oxygen

• Nitrogen

What type of energy is stored in food?

• Thermal energy

• Nuclear energy

• Chemical energy

• Kinetic energy

What is the force that pulls objects toward the Earth?

• Magnetism

• Friction

• Gravity

• Electromagnetism

What do we call animals that eat both plants and meat?

• Carnivores

• Insectivores

• Herbivores

• Omnivores