Question

chapter 1 review worksheet (pg. 24) understanding vocabulary 1. it is believed all events in nature obey a set of ____ that do not change. 2. __ is the measure of the amount of matter in an object. 3. a(n) __ can help you understand the natural laws that relate matter and energy. 4. when you formulate a(n) __, you make an educated guess or prediction that can be tested by an experiment. 5. __ properties are too small to be directly observed. 6. the __ variable goes with the y - axis of a graph. 7. distance is measured in units of ____.

Explanation:

1. Natural events follow unchanging natural laws.
2. Mass quantifies the matter in an object.
3. A scientific model helps understand matter - energy laws.
4. A hypothesis is a testable educated guess.
5. Sub - microscopic properties are too tiny to observe directly.
6. The dependent variable is plotted on the y - axis.
7. Distance is measured in units like meters.

Answer:

1. natural laws
2. Mass
3. scientific model
4. hypothesis
5. Sub - microscopic
6. dependent
7. meters (or other appropriate length units like kilometers, centimeters etc.)