Reading Physical and Chemical Changes

Explain why making chocolate milk is considered a physical change.

Tags

Understanding

A marshmallow burns over an open fire but not in a microwave because of the lack of direct ____.

Tags

Applying

In the sun, hydrogen atoms combine to form helium atoms in a process called nuclear ____.

Tags

Remembering

Which of the following is NOT a reason why a marshmallow burns over an open fire?

• Direct heat causes sugars to burn

• Electromagnetic waves cause Maillard Reactions

• Air bubbles expand and apply pressure

• Sugar-gelatin walls stretch

Tags

Applying

What type of reaction is occurring in the sun?

• Chemical reaction

• Nuclear reaction

• Combustion reaction

• Physical reaction

Tags

Remembering

Which of the following is an example of a physical change releasing heat?

• Burning campfire

• Dissolving salt in water

• Nuclear fission in the sun

• Caramelizing sugar

Tags

Understanding