Quiz on Physical and Chemical Properties ch 5 lesson 3 mcgrawhil

What is the result of a chemical change in bread?

• The bread becomes colder

• The bread remains the same as the dough

• The bread has a different color and smell

• The bread becomes liquid

What is an example of a liquid changing to a solid?

• Water boiling

• Ice melting

• Liquid batter baking into a cake

• Paper tearing

What is a sign that a chemical change has occurred?

• The substance changes shape

• The substance changes size

• New substances with different properties are formed

• The substance remains the same

What indicates the formation of a gas during a chemical change?

• The liquid becomes clear

• The liquid changes color

• Bubbles form after mixing substances

• The liquid becomes solid

What happens when an antacid tablet is dropped into water?

• It dissolves without any reaction

• It changes color

• It bubbles and fizzes

• It becomes solid

What is the role of chlorophyll in leaves?

• It makes leaves transparent

• It gives leaves their green color

• It makes leaves larger

• It makes leaves smaller

What typically happens to energy during chemical changes that break substances apart?

• It is absorbed

• It is released

• It remains constant

• It disappears

What was the result when a solid, insoluble red powder was heated with the Sun’s light?

• A colorless gas

• A solid metal

• A liquid solution

• A bright flame

What evidence supports that the gas produced was a chemical change?

• It was slightly soluble and made a candle burn brighter

• It changed color

• It melted

• It evaporated

What should you use to determine a chemical change?

• All of your senses

• Only sight

• Only smell

• Only touch