g5m1 retest matter and its interactions

Which observation would indicate that a new substance has formed?

• A substance dissolves in water.

• The material changes from solid to liquid.

• A color change occurs and gas bubbles are released.

• The material is cut into smaller pieces.

Tags

NGSS.MS-PS1-2

What is the purpose of the Hands-On Investigation?

• To create a new substance.

• To observe and record changes.

• To make a model of the Statue of Liberty.

• To learn about different types of cups.

Tags

NGSS.MS-PS1-2

What caused the Statue of Liberty to change color over time?

• The metal was painted.

• The metal reacted with oxygen and water, forming a new substance.

• The metal was cleaned regularly.

• The metal was covered with a protective layer.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which observation would indicate that a new substance has formed?

• The substance changes shape.

• The substance becomes colder.

• A color change occurs and gas bubbles are released.

• The substance becomes heavier.

Tags

NGSS.MS-PS1-2

When mixing substances together, what must be true for the total weight to remain the same?

• Some particles are lost.

• No particles are lost or gained.

• New particles are created.

• Particles are destroyed.

Tags

NGSS.MS-PS1-5

What is a characteristic of a physical change?

• New substances are formed.

• The substance changes color.

• The substance remains the same.

• Gas bubbles are released.

What is an example of a chemical change?

• Ice melting

• Water boiling

• Baking soda and vinegar reacting

• Salt dissolving in water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the term for the green color on the Statue of Liberty?

• Rust

• Patina

• Mold

• Algae

What happens when salt dissolves in water?

• The salt disappears completely.

• The water changes color.

• The salt seems to disappear, but the water tastes salty.

• The water becomes solid.

Tags

NGSS.MS-PS1-2

What evidence indicates the formation of a new substance during the investigation?

• Change in color

• Formation of bubbles (gas)

• Increase in temperature

• Change in shape

Tags

NGSS.MS-PS1-2