Match the terms with their correct definitions.
Control variable
Independent variable
Dependent variable
Definition 1: A variable that is kept constant in an experiment to ensure that the changes in the dependent variable are caused by the independent variable.
Definition 3: A variable that is changed in an experiment to see how it affects the dependent variable. (It's what the experiment is all about)
Definition 4: A variable that is measured in an experiment to see how it is affected by the independent variable.
Identify the type of each variable from the following experiment: Addie thinks adding more water to her flowers will cause it to grow faster. She sets up an experiment using two identical flower plants. Addie gives more water to the first plant, and less water to the second plant. Addie places both plants next to each other on her back porch.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
the location of the plants | arrow_right_alt | independent variable |
The amount of water | arrow_right_alt | dependent variable |
height of plants | arrow_right_alt | control variable |
When we can't see through an object, we say that it is
Match each vocabulary word to its correct description:
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
condensation | arrow_right_alt | average |
temperature | arrow_right_alt | gas changing to liquid |
mean | arrow_right_alt | liquid changing to gas |
thermal energy | arrow_right_alt | A measure of the average energy of motion of the particles of a substance. |
evaporation | arrow_right_alt | heat energy |