Physical and Chemical Changes Quiz

What type of physical change occurs when a straight wire is bent into a spiral shape?

• Change in color

• Change in shape

• Change in size

• Change in state

Which example represents a chemical change?

• Cutting an apple into slices

• Melting chocolate

• Mixing baking soda with vinegar

• Folding a piece of paper

When water evaporates from a puddle, this is an example of a change in:

• state of matter

• size

• color

• shape

What happens when iodine is mixed with cornstarch?

• It creates gas bubbles

• It produces a strong odor

• Nothing changes

• It forms a dark blue color

Which is an example of a physical change?

• Milk spoiling

• Adding food coloring to water

• Yogurt forming from milk

• Mixing vinegar and baking soda

What type of change occurs when milk is left out of the refrigerator for two days?

• Change in shape

• Change in size

• Chemical change

• Change in state

Which process describes a chemical change?

• Sand flowing in an hourglass

• Bacteria fermenting milk into yogurt

• Cutting paper into pieces

• Ice melting into water

What is a clear sign that a chemical change has occurred?

• Formation of gas bubbles

• Change in shape

• Change in size

• Change in temperature

Which example shows a physical change in color?

• Mixing iodine with cornstarch

• Coloring a piece of paper

• Milk turning sour

• Yogurt forming

What type of change occurs when cutting a fruit?

• Chemical change

• Change in state

• Change in size

• Change in odor