Introduction to Matter

Anything that has mass and takes up space is called

• matter.

• energy.

• heterogeneous.

• homogeneous.

What holds atoms together in a molecule?

• density

• gravity

• physical bonds

• chemical bonds

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H₂O, CO₂, and O₂ are all examples of chemical

• properties.

• changes.

• bonds.

• formulas.

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Soil, a salad, and sugar water are all examples of

• elements.

• compounds.

• mixtures.

• atoms.

The volume of an irregular object can be measured by

• multiplying the object's length, width, and height.

• multiplying the object's density by its mass.

• submerging the object in water in a graduated cylinder.

• placing the object on a triple-beam balance or scale.

How do liquid water, ice, and water vapor differ from each other?

• They are different states of matter.

• They are different compounds.

• They are made of different kinds of molecules.

• They are made of different kinds of atoms.

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One example of a physical change is

• burning paper.

• baking cookies.

• toasting marshmallows.

• dissolving salt in water.

One example of a chemical change is

• filtering a mixture.

• burning wood.

• boiling water.

• crushing a can.

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Fireworks exploding in the sky and giving off light are an example of a(n)

• endothermic change.

• exothermic change.

• physical change.

• change in mass.

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Hardness, texture, color, and freezing point are examples of _____ properties of matter.

• chemical

• physical

• imaginary

• technical