Question

1. A biologist who is measuring the length of salmon as they travel upstream is
collecting qualitative data.
2. An experiment is a procedure that tests a hypothesis by providing data and
observations under controlled conditions.
3. In scientific investigations, experimenting usually comes before hypothesizing.
_4. In an experiment, the control group is used to test the effect of the independent
variable.
5. Science begins with an observation.

Answer 1

Hi there!

1. True
2. True
3. False
4. True
5. True

Hope this helps !

Answer 2

Answer:

I think it’s

1. false

2. true

3. False

4. true

5. True

hope it helps