Physical and Chemical Changes/Properties

Which of the following is an example of physical change?

• Mixing baking soda and vinegar together, and 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 a chemical change?

• Filling up a balloon with hot air
• Taking a glass 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.

Which change can easily be reversed?

• Chemical Change
• Physical Change
• Both a physical and chemical change
• Neither physical or chemical change

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

• Chemical Change
• Physical Change
• Freezing
• Boiling

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

• Chemical change
• Physical change
• Both a physical and chemical change
• Neither a physical or chemical 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?

• Composition changes
• 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

Which is not a clue that could indicate a chemical change?

• Change in color
• Change in shape
• Change in energy
• Change in odor

BONUS!  What property stays the same during physical and chemical changes?

• Density
• Shape
• Mass
• Arrangement of particle