Unit 4 Lesson 1 Chemical Reactions Test Review

Luna, Mason, and Zoe are on a treasure hunt and they find a mysterious liquid. Which property should they use to identify the substance?

• mass

• weight

• density

• volume

Avery and Jackson are in the lab, observing a chemical reaction. Which statement correctly describes the magical transformation of the reactants into the products?

• The atoms in the products were regrouped into different molecules to form the reactants.

• The atoms in the reactants were regrouped into different molecules to form the products.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Elijah and Avery are conducting a fun science experiment. Which process is an example of a chemical change where matter and energy are transformed?

• Elijah crushes an aspirin tablet into a fine powder.

• Avery notices water droplets forming on the outside of her cold drink glass.

• Noah adds an antacid tablet to water and bubbles are produced.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the laboratory, Scarlett is on a mission to separate a quirky mixture of iron filings, sand, and salt. Armed with a magnet, boiling water, and a filter, she embarks on her scientific adventure. Which statement best describes Scarlett's method of separating this mixture?

• Scarlett uses only physical changes to separate the mixture’s components.

• Scarlett uses only chemical reactions to separate the mixture’s components.

• Scarlett uses both physical changes and chemical reactions to separate the mixture’s components.

Evelyn and Kai are having a fun science experiment in the kitchen. They boil water until it all disappears into steam. What type of change is happening here?

• Physical Change

• Chemical Reaction

Tags

NGSS.MS-PS1-4

Kai and Evelyn are in the kitchen experimenting with sugar. They heat it until it turns black and smoky. What kind of magical transformation is happening here?

• Physical Change

• Chemical Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Kai and Grace are having a snow day experiment! They sprinkle salt on ice and watch it melt. What kind of change is happening here?

• Physical Change

• Chemical Reaction

Tags

NGSS.MS-PS3-5

Evelyn and Jackson are making candles for a fun science project. They pour molten wax into a mold and watch it become solid. What type of change is happening here?

• Physical Change

• Chemical Reaction

Tags

NGSS.MS-PS1-4

Zoe and Michael are on a science adventure! They need to figure out if the description is testing a physical property or a chemical property. Can you help them decide which property can be used to identify substances?

• Physical property

• Chemical property

• Both Physical and Chemical properties

Tags

NGSS.MS-PS1-4

Evelyn and Noah are in the science lab, and they love mixing potions! They wonder if the property they're observing can be determined by mixing substances. Is it a test of a physical property or a chemical property?

• Physical property

• Chemical property

• Both Physical and Chemical properties

Tags

NGSS.MS-PS1-2