Physical Science Review CAES

The state of matter with no definite shape or volume is a _______.

• gas

• liquid

• property

• state

Maya describes this unknown substance to Trevor. Which words could she use to describe its texture?

• cube

• rough

• shiny

• soft

A beaker contains sand and iron filings. What is the best way to separate the sand from the iron filings?

• Heat the mixture

• Remove them by size

• Shake the beaker

• Use a magnet

Clem has a mixture of salt and water. Which process can he use to separate this mixture?

• evaporation

• filtration

• magnetism

• transpiration

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Which is not an example of a chemical change?

• burning

• folding

• rusting

• wood burning

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This water is boiling. What best describes the change taking place?

• change in shape

• change in size

• change in texture

• change in state

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One form of energy travels in waves and causes matter to vibrate. Which form is it?

• chemical

• electrical

• light

• sound

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Air passes over the blades on this wind turbine and cause it to spin. Which energy transformation has occurred?

• electrical energy to energy of motion

• energy of motion to potential energy

• energy of motion to electrical energy

• potential energy to electrical energy

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Which statement about energy is true?

• Energy is a form of matter

• Energy cannot travel through space

• Energy has the ability to cause change in matter

• Energy cannot change form.

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The ball drops to the floor. Which describes the relationship between potential energy and kinetic energy as the ball falls?

• The ball’s potential energy decreases, and its kinetic energy increases

• The ball’s potential energy decreases, and its kinetic energy decreases

• The ball’s kinetic energy decreases, and its potential energy increases

• The ball’s kinetic energy increase, and its potential energy increases.

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