Key scientific terms Flashcards
1
Q
What is a variable?
A
A factor that can be changed in an experiment.
2
Q
What is an independent variable?
A
A variable that is being changed during the experiment.
3
Q
What is a dependent variable?
A
A variable being tested or measured during the experiment.
4
Q
What is a control variable?
A
A variable that is held constant or fixed during an experiment to prevent it from affecting the outcome.
5
Q
What is an exothermic reaction?
A
A reaction where energy is transferred to the surroundings, it usually feels hot.
6
Q
What is an endothermic reaction?
A
A reaction where energy is taken in from the surroundings, it usually feels cold.
7
Q
What is meant by the resolution of a measuring device?
A
The smallest difference between the measurements on the device.
