What happens during a chemical change?
Which of the following is an example of a chemical change?
Which of the following is a physical change?
What is a clue that indicates a chemical change?
Which of the following is NOT a characteristic of a physical change?
When sugar dissolves in water, it is an example of a
Which of the following is NOT a characteristic of a chemical change?
The materials on the left are the materials before a chemical change. The materials on the right are materials after a chemical change. Match each material on the left to the one on the right that shows the before and after parts of each change.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Aluminum and Oxygen | arrow_right_alt | carbon dioxide only |
Charcoal and Oxygen | arrow_right_alt | Food Molecules and Oxygen |
Hydrogen and Oxygen | arrow_right_alt | Aluminum Oxide |
Oxygen and Iron | arrow_right_alt | Water and Carbon Dioxide |
Food Molecules and Oxygen | arrow_right_alt | Water Only |
Carbon Dioxide and Water | arrow_right_alt | Rust |
Sort each example into the correct category according to how it reacts to oxygen.
an iron nail
dry firewood
salt water
A glass bottle
gasoline
a copper penny
coal
Reacts Quickly with Oxygen
Reacts Slowly with Oxygen
Do not React with Oxygen
What is the meaning of "chemical change?"
What is the meaning of " chemical property"?
Explain why the balloon is now inflated. Be sure you explain the complete process!!