1. Investigation Test Review
-graphing
-scientific method

2. 1. What is the relationship?
2. What is the independent variable?

3. 1. What is the dependent variable?
2. What is the relationship?

4. What relationship is being described?
Both variables are increasing
direct

5. 1. What is the relationship?
2. What is the independent variable?

6. What relationship is being described?
One variable is increasing but the other is decreasing
Inverse

7. 1. What is the relationship?
2. What is the dependent variable?

8. The variable the scientist can change directly is called the
Independent/ experimental
Salt/plain water
Brand of napkin

9. The variables that stay the same in the experiment are the
Control
Same temperature, same water source
Same amount of water, same dripping time

10. The variable that you measure during an experiment is the
Dependent
The time it took to boil
The amount of water absorbed

11. What would go on the x-axis, the brand or amount of trash?
You want to know which brand of trash bags, Costco or Hefty will hold the most trash.
Independent variable:
Dependent variable:
Brand of bag
Amount of trash
What would go on the x-axis, the brand or amount of trash?
The brand

12. What would go on the y-axis, angle or distance?
To find out if changing the angle of the marble launcher will effect the distance a marble travels, you change the angle 3 times and measure the distance each time.
Independent variable:
Dependent variable:
Angle of the launcher
The distance
What would go on the y-axis, angle or distance?
The distance