Ch.1 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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H₂0, CO_2, and C₁₂H₂₂O₁₁ 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

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

The ability to do work or cause change describes

• temperature

• density

• matter

• energy

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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 chnage

• exothermic change

• physical change

• change in mass

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