What is a Hypothesis?
A hypothesis is an explanation that is based on prior scientific research or observations that can be tested.
It is also known as an: Educated guess
It MUST be an If, then statement.
For example:
If I place a flower in a pot watering it with coffee then, it will grow faster than a flower in water.
(This hypothesis has not been tested by me. It's a good basic project though for you to conduct for yourselves.)
How do we test a hypothesis?
Develop a test to prove or disprove your hypothesis.
To be accurate you MUST run your experiment several times.
It MUST contain only one independent variable.
It MUST include two setups.
A. A experimental setup
B. A control set up
Use a controlled expirament.
In other words, an experiment that tests only one factor at a time by using a comparison of a control group and an exerimental group.
What is a control group?
-A group that the scientist changes NOTHING in.
What is a expiramental group?
-The group that the scientist has changed something. It is the variable in the experiment.
What is a variable?
-The factor that is different from one group to another.
There are two different kinds of variables:
Independant variable: The factor that the scientist has changed in order to test the hypothesis.
Dependant variable: The result of what the scientist changed. What has happened in the experiment.
There is also a constant. A constant is what the scientist kept the same in both the control group and experimental group.
It is also known as an: Educated guess
It MUST be an If, then statement.
For example:
If I place a flower in a pot watering it with coffee then, it will grow faster than a flower in water.
(This hypothesis has not been tested by me. It's a good basic project though for you to conduct for yourselves.)
How do we test a hypothesis?
Develop a test to prove or disprove your hypothesis.
To be accurate you MUST run your experiment several times.
It MUST contain only one independent variable.
It MUST include two setups.
A. A experimental setup
B. A control set up
Use a controlled expirament.
In other words, an experiment that tests only one factor at a time by using a comparison of a control group and an exerimental group.
What is a control group?
-A group that the scientist changes NOTHING in.
What is a expiramental group?
-The group that the scientist has changed something. It is the variable in the experiment.
What is a variable?
-The factor that is different from one group to another.
There are two different kinds of variables:
Independant variable: The factor that the scientist has changed in order to test the hypothesis.
Dependant variable: The result of what the scientist changed. What has happened in the experiment.
There is also a constant. A constant is what the scientist kept the same in both the control group and experimental group.