Grade 8 Introduction to Matter

Anything that has mass and takes up space is called

• matter

• energy

• heterogeneous

• homogeneous

The density of corn syrup is 1.33 g/mL and the density of vegetable oil is 0.91 g/mL. Which liquid(s) will float on water?

• both corn syrup and vegetable oil

• corn syrup but not vegetable oil

• vegetable oil but not corn syrup

• neither vegetable oil nor corn syrup

Soil and vegetable salad 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.

One example of a physical change is

• burning paper.

• baking cookies.

• toasting marshmallows.

• dissolving salt in water.

The ability to do work describes

• temperature.

• density.

• matter.

• energy.

One example of a chemical change is

• filtering a mixture.

• burning wood.

• boiling water.

• crushing a can.

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

• Chemical

• Physical

• Biological

• Atomic

A(n) ______________ is a group of two or more atoms that are held together by chemical bonds.

• Element

• Mixture

• Compound

• Solution