REVIEW PTS G5 - SCIENCE

What are the three primary states of matter?

• Solid, gas, liquid

• Solid, liquid, energy

• Gas, liquid, energy

• Solid, gas, plasma

When water freezes, it changes from a ________ to a ________.

• Liquid, gas

• Solid, liquid

• Gas, solid

• Liquid, solid

What happens to water when it boils and changes from a liquid to a gas?

• It becomes solid.

• It evaporates into a gas.

• It freezes.

• It turns into a solid.

What is the process of a gas changing back into a liquid called?

• Melting

• Evaporation

• Condensation

• Freezing

During which process does a solid change directly into a gas without becoming a liquid first?

• Evaporation

• Sublimation

• Condensation

• Freezing

When you leave a glass of ice water on a warm day and water droplets form on the outside of the glass, what is this process called?

• Melting

• Evaporation

• Condensation

• Freezing

Which of the following is an example of a renewable resource?

• Plastic bottles

• Fossil fuels

• Solar energy

• Disposable diapers

What is the primary source of energy for most of our planet's ecosystems?

• Wind

• Sun

• Geothermal heat

• Fossil fuels

Why is it important to reduce, reuse, and recycle?

• To make more money

• To create more waste

• To conserve resources and reduce pollution

• To use up resources faster

Which action helps conserve water in your daily life?

• Leaving the faucet running while brushing your teeth

• Taking long showers

• Fixing leaking taps promptly

• Watering the garden with a hose all day