Question

Decide if each of the following statements is true.If it is not rewrite the parentheses part to make it true.

1) Scientific methods include observation,(forming a hypothesis, and experiment).
ans: false ;answer questions; solve problems

2)A statement that can be tested and presents a possible solution to a question is a(law).
answer:False; theory.
:3) In a controlled experiment, two groups are tested and allconditions except (two) are kept the same for both groups.

answer:False ;One

4)A condition that remains the same for both groups is called the (independent variable.)

answer:False; controlled experiment

5)A condition that changed by experimenter in one group and not the other is called the (dependent variable).
answer: true
6)A scientific experiment can be conducted(only in a laboratory).
Answer:False; anywhere

7)A theory is a (law) that has been confirmed by many experiments.
answer:True

Answer 1

!. true/ The scientific method does include hypothesis, experiment, observation.

2. hypothesis is a statement that can be tested. A law is already verified.

3. ok

4. ok

5. You change the independent variable while holding controlled variables constant.

6. ok

7. A law is a theory that has been confirmed by many experiments. (for example Newton's laws of motion.)

Answer 2

http://www.sciencebuddies.org/science-fair-projects/project_scientific_method.shtml

Answer 3

http://www.businessdictionary.com/definition/controlled-experiment.html

Answer 4

http://chemistry.about.com/od/chemistry101/a/lawtheory.htm