Second Grade Science Quiz

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

• photosynthesis

• respiration

• circulation

• digestion

Which of the following is a natural source of light?

• Moon

• Fire

• Electricity

• Sun

What is the state of matter that has no definite shape or volume?

• liquid

• gas

• solid

• plasma

Which of the following is a mammal?

• Sharks

• Lizards

• Elephants

• Turtles

What is the largest planet in our solar system?

• Mars

• Saturn

• Neptune

• Jupiter

What is the process of changing from a liquid to a gas called?

• sublimation

• condensation

• evaporation

• melting

Which of the following is a source of renewable energy?

• Coal

• Natural Gas

• Solar

• Wind

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

• gravity

• electricity

• friction

• magnetism

Which of the following is a solid shape?

• Sphere

• Cube

• Cylinder

• Pyramid

What is the process of changing from a gas to a liquid called?

• vaporization

• evaporation

• sublimation

• condensation