9. Which part of digestion is mainly a chemical change?

C. Stomach acids dissolve food into nutrien

A. Teeth break food into small pieces.

B. Throat muscles push food toward the stomach.

D. Intestinal cells transport nutrients into the blood.

12. A group of students weighed a sealed jar full of heavy cream. Then they shook the jar until the cream separated, and then they weighed the jar again. Which of the following would BEST describe its weight?

D. The jar will have kept the same weight because it did not gain or lose any matter

A. The jar will have gained weight because some liquid changed to a solid.

B. The jar will have gained weight because shaking added energy to it.

C. The jar will have lost weight because of friction from shaking the liquid.

15. Missy and Ethan discussed examples of the types of changes in matter. In which example is a chemical change taking place?

C. A camper roasts marshmallows over a burning fire.

A. A piece of metal is cut in half.

B. An ice cube melts on a counter.

D. A baker mixes together flour and sugar to make dough.

18. A student kept a notebook during an investigation. Which recorded observation was MOST likely a physical change?

A. The solution was heated for two minutes until it boiled.

B. A solid formed when two liquids were mixed together.

A solid formed when two liquids were mixed together. C.

D. The color of two mixed solutions changed from clear to white

20. When frozen carbon dioxide (CO2) is heated, it changes directly into a gas. Which statement BEST indicates that a physical change has taken place?

D. Heat caused a change in state.

A. Heat caused an increase in gas production.

B. Heat caused a new substance to form.

C. Heat caused a decrease in energy.

21. Students performed an investigation on how aluminum cans taken to a recycle center were able to be reused. They found out an aluminum can undergoes which type of change?

C. a physical change because the material remains the same

A. a physical change because the can is heated

B. a chemical change because new metal is formed

D. a chemical change because an old can is changed into a new can

22. Manuel was having trouble opening a new glass jar of pickles. His father told Manuel to hold the metal lid of the jar under running hot water for a few seconds, then try again. Then the lid opened easily. What is the MOST likely reason Manuel’s father suggested using hot water to loosen the lid?

B. Metals expand when they are heated.

A. Glass contracts when it is heated.

C. Metals are easier to grip when they are warm.

D. Hot water reduces friction between metal and glass.

28. Some power plants produce energy by burning coal. In these power plants, the heat from burning coal is used to boil water. Which statement BEST describes the changes that occur when burning coal and boiling water?

C. Burning coal is a chemical change, and boiling water is a physical change.

A. Burning coal and boiling water are both physical change

B. Burning coal and boiling water are both chemical changes.

D. Burning coal is a physical change, and boiling water is a chemical change

30. A potter molded wet clay into the shape of a bowl and let it dry. The potter knows that the clay went through a physical change when it became a bowl because the bowl

B. is the same substance as the wet clay.

A. is a different color than the wet clay.

C. has a different texture than the wet clay.

D. holds the same amount of water as the wet clay.

Physical and Chemical Changes

Authored by C. Stewart

Chemistry

5th Grade

NGSS covered

Used 44+ times

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21 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lighting a match and baking a cake are two actions that involve chemical changes. Why are these actions considered chemical changes?

they change the state of matter

They create new substances.

They change volume.

They create energy.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Louis was investigating physical and chemical changes in matter. Which of these changes that Louis found involves a chemical change in matter?

evaporation of water

grinding of rock

melting of ice

rusting of iron

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Emily made a chart that included physical changes and chemical changes. Which change should be categorized as a chemical change?

iron becomes rusty

a gold bar is melted

lake water evaporates

a granite rock is polished

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which event is an example of a chemical change?
A.
fog rising off a river
B.
wood burning in a fireplace
C.
ice cream melting in the sunshine
D.
grinding peppercorn into pepper flakes

fog rising off a river

wood burning in a fireplace

ice cream melting in the sunshine

grinding peppercorn into pepper flake

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement BEST describes the formation of rust?

Rust results from a physical mixing of iron with water.

Rust forms from a chemical breakdown of old metal.

Rust results from a chemical reaction between iron and water.

Rust forms from a physical change when wind blows against metal.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is an example of a chemical reaction?

Vinegar added to baking soda forms a gas.

Water evaporates into air.

Sugar dissolves in water.

Corn kernels are crushed to form flour.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A chemical change happens when

glass breaks into pieces.

dough bakes in an oven.

ice cream melts into a liquid.

electricity flows through a wire.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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Physical and Chemical Changes

Lighting a match and baking a cake are two actions that involve chemical changes. Why are these actions considered chemical changes?

Louis was investigating physical and chemical changes in matter. Which of these changes that Louis found involves a chemical change in matter?

Emily made a chart that included physical changes and chemical changes. Which change should be categorized as a chemical change?

Which event is an example of a chemical change?A.fog rising off a riverB.wood burning in a fireplaceC.ice cream melting in the sunshineD.grinding peppercorn into pepper flakes

Which statement BEST describes the formation of rust?

Which is an example of a chemical reaction?

A chemical change happens when

When a person chews, saliva from the mouth mixes with starches in food. These starches begin to turn into sugars. Changing starches into sugars is BEST described as

9. Which part of digestion is mainly a chemical change?

Access all questions and much more by creating a free account

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Popular Resources on Wayground

Discover more resources for Chemistry

Which event is an example of a chemical change?
A.
fog rising off a river
B.
wood burning in a fireplace
C.
ice cream melting in the sunshine
D.
grinding peppercorn into pepper flakes