what is the definition of chemical change?

any change that results in the formation of new chemical substances.

matter cannot be created or destroyed, only change form

changes affecting the form of a chemical substance, but not its chemical composition.

Which of the following describes a precipitate?

a solid forms when one liquid is poured into another

a liquid forms when a block of metal is heated

a gas forms when a solid is placed in a liquid

bubbles form when an acid is poured on a rock

Which process is an example of a purely physical change?

Carrots are cut into small pieces and mixed into a salad.

A peanut butter sandwich is eaten and broken down by enzymes in the stomach.

Sodium metal and chlorine gas are combined to form sodium chloride, or table salt.

Sodium metal and water are combined to form a basic compound and a flammable gas.

There are several differences between chemical and purely physical changes. Which process is an example of a chemical change?

a metal railing rusting in damp weather

steam rising from a boiling pot of soup

alcohol evaporating from a cotton swab

a piece of wood shrinking as it dries out

When paper is burned, the mass of the remaining ash is less than the mass of the original paper. Which statement best explains this result?

Some of the products of the reaction were given off as a gas.

The ash has less volume than the paper.

Some of the matter is destroyed during the reaction.

The mass of the ash cannot be accurately determined.

Which process represents a chemical change?

Vinegar bubbles when baking soda is added.

Which process represents a chemical change?

A metal bar is rolled into a flat sheet.

Sand, water, and salt combine to form a mixture.

Trini adds 10 g of baking soda to 100 g of vinegar. The mixture begins to bubble. When the bubbling stops, Trini finds the mass of the resulting mixture. She determines its mass is 105 g. Why has the mass changed?

A gas has formed and left the mixture.

Vinegar evaporated during the experiment.

Mixtures always are less massive than their parts.

Mass was destroyed when vinegar reacted with baking soda.

Physical and Chemical Changes

Chemistry

6th - 8th Grade

NGSS covered

Used 66+ times

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

Content View

Student View

60 questions

Show all answers

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is a sign that a chemical reaction has occurred?

change in shape

melting

formation of a gas

dissolving

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is hammering wood together to build a house a chemical or physical change?

chemical

physical

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is melting butter for popcorn a chemical or physical change?

chemical

physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is bleaching your hair a physical or chemical change?

physical

chemical

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is burning wood a chemical or physical change?

chemical

physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A change in the size, shape, or state of matter.

chemical change

physical change

chemical reaction

electron change

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT an example of a physical change?

crumpled paper

pencil sharpening

shrunken clothing

sour milk

Tags

NGSS.MS-PS1-2

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever

or continue with

Microsoft

Apple

Others

Already have an account?

Similar Resources on Wayground

58 questions

S11F Naturales

Quiz

•

1st Grade - University

63 questions

Chemistry Middle School Review

Quiz

•

8th - 12th Grade

60 questions

NC Grade 8 Science EOG Review (ERMS)

Quiz

•

8th - 9th Grade

56 questions

Chemistry Review

Quiz

•

KG - 7th Grade

64 questions

8th Grade STAAR Review: Category 1- Matter and Energy

Quiz

•

8th Grade

59 questions

MATTER AND IT'S STRUCTURE

Quiz

•

8th Grade

59 questions

ÔN TẬP CUỐI KÌ 2 HÓA 11 - 2023

Quiz

•

6th - 8th Grade

64 questions

Elements

Quiz

•

8th - 12th Grade

Popular Resources on Wayground

8 questions

Spartan Way - Classroom Responsible

Quiz

•

9th - 12th Grade

15 questions

Fractions on a Number Line

Quiz

•

3rd Grade

14 questions

Boundaries & Healthy Relationships

Lesson

•

6th - 8th Grade

20 questions

Equivalent Fractions

Quiz

•

3rd Grade

3 questions

Integrity and Your Health

Lesson

•

6th - 8th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

9 questions

FOREST Perception

Lesson

•

20 questions

Main Idea and Details

Quiz

•

5th Grade

Discover more resources for Chemistry

40 questions

Unit 3 (Part 1) Chemical Equations & Reactions Review Game

Quiz

•

8th - 12th Grade

24 questions

Acids & Bases

Quiz

•

6th - 8th Grade

20 questions

Counting Atoms

Quiz

•

8th Grade

21 questions

Physical and Chemical Changes - GL

Quiz

•

7th Grade

40 questions

Science ACAP Review

Quiz

•

8th Grade

16 questions

Find the Number of Protons, Neutrons, and Electrons

Quiz

•

8th Grade

18 questions

ionic and covalent bonding

Quiz

•

6th - 9th Grade

20 questions

Polyatomic Ionic Compounds

Quiz

•

7th - 10th Grade

Physical and Chemical Changes

Which of the following is a sign that a chemical reaction has occurred?

Is hammering wood together to build a house a chemical or physical change?

Is melting butter for popcorn a chemical or physical change?

Is bleaching your hair a physical or chemical change?

Is burning wood a chemical or physical change?

A change in the size, shape, or state of matter.

Which of the following is NOT an example of a physical change?

Kim puts an ice cube in a beaker and it melts. This is a good example of:

Photosynthesis is an example of a

When you break a cracker into pieces it is a

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry