4th grade

What happens when you mix baking soda and vinegar?

• The mixture turns into a liquid

• The mixture turns into a solid

• A fizzing or foaming reaction occurs

• A loud explosion occurs

Which material is the best conductor of electricity?

• rubber

• aluminum

• silver

• copper

What is the process of plants making food called?

• respiration

• germination

• photosynthesis

• transpiration

What is the state of matter that has a definite shape and volume?

• liquid

• gas

• plasma

• solid

Which animal is known for its ability to camouflage?

• peacock

• zebra

• chameleon

• octopus

What is the largest planet in our solar system?

• Saturn

• Mars

• Venus

• Jupiter

What is the process of water turning into vapor called?

• sublimation

• evaporation

• condensation

• melting

Which of the following is a renewable energy source?

• Wind energy

• Coal energy

• Nuclear energy

• Solar energy

What is the main function of the heart?

• Filtering waste

• Digesting food

• Producing hormones

• Pumping blood

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

• condensation

• evaporation

• melting

• sublimation