Physical and Chemical Change Check for Understanding

Which of the following is an example of physical change?

• Mixing baking soda and vinegar together, and this causes bubbles and foam

• A glass cup falls from the counter and shatters on the ground.

• Lighting a piece of paper on fire and the paper burns up and leaves ashes

• Baking a birthday cake for your mother.

Which of the following is an example of chemical change?

• Filling up a balloon with hot air

• Taking a cup of water and freezing it by placing it in the freezer

• A plant collecting sunlight and turning it into food

• Your dog ripping up your homework.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which change can be easily reversed, physical or chemical?

• Physical

• Chemical

When a new substance is formed with different properties than the original substance it is called a _________________

• b. Chemical change

• a. Physical change

• c. Mixture

• d. Solution

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

If the chemical properties of a substance remain unchanged and the appearance or shape of a substance changes it is called a ______________________.

• a. Physical change

• b. Chemical change

• c. Nuclear change

• d. Biological change

Which is an example of a physical change?

• Metal rusting

• Silver tarnishing

• Water boiling

• Paper burning

What characteristic best describes what happens during a physical change?

• The original composition changes

• The original composition stays the same

• Form stays the same

• Mass is lost

Which is an example of chemical change?

• Water freezes

• Wood is cut

• Bread is baked

• Wire is bent

Tags

NGSS.MS-PS1-2

What are indications that a chemical change has taken place?

• Odor

• Precipitation forms

• Bubbles or fizzing

• All of the above

Tags

NGSS.MS-PS1-2

Why is dissolving sugar in water considered a physical change?

• The sugar changes its chemical structure

• The sugar and water form a new substance

• The sugar can be recovered by evaporation

• The sugar reacts with water to form a gas

Tags

DOK Level 2: Skill/Concept