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.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
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.
A glass bottle
salt water
dry firewood
a copper penny
an iron nail
coal
gasoline
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!!