1. What is referred to as material?
2. Which of the following is an example of a lustrous material?
3. What is the method of arranging objects into groups called?
4. Which material is known to be opaque?
5. What property determines if a material is soluble in water?
6. Which of the following materials is soft?
7. What is the term for materials that allow light to pass through but not clearly?
8. Which of the following is NOT a property of materials?
9. What is the SI unit for measuring mass?
10. Which of the following materials is soluble in water?