CAASPP Science Review: Matter and Energy

Which of the following is the BEST evidence that a physical change has occurred?

• A substance burns and produces ash.

• A metal nail rusts after being left outside.

• Ice melts and becomes liquid water.

• A plant grows taller over several weeks.

A student mixes salt and water in a beaker. The salt seems to disappear. Which statement BEST describes what happened to the salt?

• The salt chemically reacted with the water and formed a new substance.

• The salt evaporated into the air.

• The salt dissolved and its particles are now spread out among the water particles.

• The salt sank to the bottom of the beaker and is no longer visible.

Which of the following properties is useful for separating a mixture of sand and iron filings?

• Density

• Magnetism

• Solubility

• Boiling point

A lamp transforms electrical energy into which two main forms of energy?

• Chemical and mechanical

• Light and sound

• Thermal and chemical

• Light and thermal

Which of the following is the primary cause of day and night on Earth?

• Earth's revolution around the Sun.

• The tilt of Earth's axis.

• Earth's rotation on its axis.

• Changes in the Sun's energy output.

Tags

NGSS.MS-ESS1-1

Which of the following BEST describes the role of the Sun in the water cycle?

• The Sun's gravity pulls water towards Earth.

• The Sun's energy causes water to evaporate from Earth's surface.

• The Sun's light provides energy for plants to release water vapor.

• The Sun's magnetic field drives the movement of clouds.

Tags

NGSS.MS-ESS2-4

Over a long period, weathering and erosion can change Earth's surface. Which of the following is an example of erosion?

• The cracking of rocks due to freezing water.

• The dissolving of limestone by acid rain.

• The movement of sediment by wind or flowing water.

• The breaking down of rocks into smaller pieces.

Which of the following is a producer in a food web?

• A rabbit eating grass.

• A fox hunting a rabbit.

• Grass making its own food through photosynthesis.

• A mushroom breaking down a dead tree.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the main function of flowers in a plant?

• To absorb water and nutrients from the soil.

• To carry out photosynthesis.

• To attract pollinators and produce seeds.

• To provide support for the plant.

Which of the following is an inherited trait in humans?

• A scar from a fall.

• The ability to ride a bicycle.

• Eye color.

• Knowledge of a foreign language.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2