Summative #1: Matter and Its Interactions Unit Assessment

1. Which claim best explains the particles in a liquid?

• A. Particles in a liquid are packed tightly together and vibrating
• B. Particles in a liquid are slightly spread out and sliding past each other
• C. Particles in a liquid are moving freely and bouncing off of one another
• D. Particles in a liquid are the most spread out and vibrating

2.Which claim best explains which state of matter has the most energy?

• A. Gas is the state of matter with the most energy because the particles are sliding past one another.
• B. Gas is the state of matter with the most energy because the particles are spread out and bouncing off of one another.
• C. Solid is the state of matter with most energy because the particles are spread out and bouncing off of one another.
• D. Solid is the state of matter with most energy because the particles are packed tightly and vibrating.

3. If you leave an ice cube out, and it melts, this is an example of...

• A. property change
• B. a reaction
• C. a state change
• D. condensation

4. When a substance evaporates, the particles in the substance

• A. move faster and the substance changes into a gas.
• B. move faster and lose heat.
• C. move slower and the substance changes into a solid.
• D. move slower and change color.

5. What is a property?

• A. a mixture of materials that dissolve
• B. a combination of two or more substances
• C. a characteristic that can be measured or observed
• D. a material that changes its state of matter

A popsicle turning into a liquid and running down your hand while you eat it, the ice in your glass of tea disappearing are examples of what?

• evaporation

• melting

• condensation

• freezing

What type of change has occurred when a coffee cup is broken?

• chemical

• physical

6. Kevin received a cup of a white substance that was powdery and bubbled when vinegar was added to it. Which powder did Kevin have?

• A. Baking Soda
• B. Crushed Alka Seltzer
• C. Salt
• D. Corn Starch

7. Stacy also received a cup of white substance that was powdery, but hers absorbed the vinegar when it was added. Which powder did Stacy have?

• A. Baking Soda
• B. Crushed Alka Seltzer
• C. Salt
• D. Corn Starch

8. What conclusions can you make about the artifact’s hardness if the mineral can be scratched by the penny but not the steel pocket knife?

• A. It has a hardness greater than 5.5

• B. It has a hardness of 3

• C. It has a hardness of 2.5

• D. It has a hardness between 3 and 5.5