1. What is matter?
2. If everything is made up of matter, how can we tell things apart?
3. How do we describe things?
4. What is a solid?
5. What is the difference between liquids and gases?
6. How many different "properties" of chocolate ice cream can you name?
7. What properties of objects can we discover using our sense of sight?
8. If you could only touch an object and not see it, what properties could you discover about that object?
9. What other senses could we use to discover different properties of things?
10. Which one of your senses do you think is the most helpful in discovering properties of objects? Why?
11. What are four properties that scientists use to describe things?
12. What is the difference between mass and weight?
13. Would your body have the same mass on Earth and on Mars? Explain.
14. On Earth, what causes us to have weight?
15. What is the relationship between volume and density?
16. What are some objects that have large volume, but very small mass and weight?
17. Which object has greater density: a balloon or a bowling ball? Explain.
18. Can you think of any objects that have a high density but a small volume?
19. After you shake it and let it sit, why does salad dressing with oil and vinegar separate out into two layers?
20. Why is it helpful for scientists to know about different properties of objects?