2. What is a hypothesis?
A possible solution to an observed problem that
explains why the solution will work.
If _________ then _________ because ________.
3. Problem: How did the dinosaurs go extinct?
Scientists believe a cloud of dust from a meteorite
impact caused the Earth to receive no sunlight for
many years making it colder which killed off plants
and the dinosaurs.
Restate in If _______ then _______ b/c ______.
If a meteorite hit the Earth then the dinosaurs will
die because the meteorite will make a cloud of
dust that cuts off sunlight and makes it too cold to
live.
4. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
5. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
6. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
7. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
8. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
9. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
10. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
11. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
12. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
13. Why is it important for an experiment to have a
control group?
To see if your independent variable caused an
effect the way you expected.
