Concept Maps in Chemistry

What can you classify matter as through investigations?

• Solid or liquid

• Element or compound

• Pure substance or mixture

• Acid or base

Which of the following is a key skill developed through concept maps in chemistry?

• Balancing equations

• Differentiating between physical and chemical changes

• Calculating molar mass

• Predicting reaction outcomes

What is one of the main uses of concept maps in chemistry?

• To classify matter

• To measure temperature

• To determine pH levels

• To calculate density

What is the role of investigations in classifying matter?

• To determine color

• To classify as pure substance or mixture

• To measure weight

• To identify temperature

What is the main difference between a physical change and a chemical change?

• Physical changes are permanent.

• Chemical changes do not involve energy.

• Physical changes do not form new substances.

• Chemical changes are reversible.

Which of the following is true about physical changes?

• They always produce light.

• They involve a change in chemical properties.

• They can often be reversed.

• They result in a new substance.

Which of the following is a characteristic of changes in state?

• Solid

• Color

• Shape

• Size

What is the result of raising the temperature of a substance?

• Change in state

• Change in color

• Change in size

• Change in shape

Which of the following is a characteristic of melting?

• Change from liquid to gas

• Change from gas to solid

• Change from solid to liquid

• Change from liquid to solid

Which of the following is NOT a characteristic of melting?

• Increase in temperature

• Change from solid to liquid

• Decrease in temperature

• Requires heat