Module 1 Lesson 3 Assignment - Physical and Chemical Changes

1. Select the correct vocabulary word to match the picture.

• chemical change
• physical change
• conservation of mass

2. Select the correct vocabulary word to match the picture.

• chemical change
• physical change
• conservation of mass

3. Select the correct vocabulary word to match the picture.

• chemical change
• physical change
• conservation of mass

4. Determine which of the following scenarios would result in a chemical change.

• Ice cubes melting in a glass of water
• Wood burning in a campfire
• Power plants providing electricity to a city.
• Butter melting in a pan

5. Mixing food coloring and water is an example of a ___________ change.

• chemical
• physical

6. Which is an example of a physical change?

• a candle burning
• rust on a bicycle
• ice cream melting
• a firework exploding

7. Jacob cut an apple and left it on the table while he finished his homework. When he returned to eat the apple, it looked like the apple in the picture. How did Jacob's apple change? Was it a Chemical or Physical Change? Explain your reasoning.

8. Which are signs that a chemical change has taken place? Select all that apply

• change in mass
• formation of a gas
• formation of a mixture
• change in temperature

9. Which of the following describes an example of a chemical change?

• a piece of glass breaking
• tearing a piece of paper
• shaping a piece of clay
• rust forming on a car

10. Baking soda and vinegar combined to make carbon dioxide is an example of a _________________ change.

• physical
• chemical