1. Chapter 1 Science Test Notes
7th Grade

2. Scientific knowledge can sometimes be changed.
Area = Length X Width
The first thing you should do when an accident happens is remain calm, and assess the situation.

3. A scientist who wants to study the effects of a new medicine would probably include a control group that received no medicine.
Being curious and asking questions about living things could lead you to study life science.

4. A compound light microscope uses lenses to magnify small objects so they can be seen.
Volume is a term that refers to the size of something in a three-dimensional space.

5. A physical model could be a toy airplane.
The difference between the control group and the experimental group in a controlled experiment is the variable.
Analyzing results is a step of the scientific method.

6. Scientists communicate their results in written reports so other scientists can repeat their experiments.
The representation of an object or a system is called a model.

7. One way to do research is to find information in print and electronic resources.
The International System of Units help scientists share and compare results.
You should not just simply keep quiet after an accident occurs.

8. A simple first-aid procedure for treating a minor heat-related burn is to hold area under cold, running water for 15 minutes.
Always pick up the animals the way your teacher tells you to.

9. Take a
Two
Minute Break

10. This time…I Study!!!!!!!!!!!!!!!!
Life science has few scientific laws because living organisms are very complex.
An advantage of SI units is that they are based on the number 10.

11. Have a Nice Day