Question

15 scientific experiments 16 a scientific hypothesis must be
reliable scientific information comes from investigations with reproducible results. sources of reliable scientific information include scientific journals and government web sites.
vocabulary
fill in the blank with the term that best completes the following sentences.
1 a scientific _ is a proposed explanation that can be tested.
2 a(n) _ is the factor that is deliberately changed in an experiment.
3 the information gathered in an investigation is called
4 a(n) _ should have only one independent variable.
5 _ can be made in the field or in the laboratory.

Explanation:

1. A scientific hypothesis is a proposed explanation that can be tested.
2. The independent variable is the factor deliberately changed in an experiment.
3. The information gathered in an investigation is called data.
4. A well - designed experiment should have only one independent variable.
5. Observations can be made in the field or in the laboratory.

Answer:

1. hypothesis
2. independent variable
3. data
4. experiment
5. observations