Variables and graphing 7th grade

The manipulated variable (changed on purpose) is called the __________ VARIABLE

The responding (measured) variable is called the _________ VARIABLE

The variable(s) that constantly stays the same for a fair, valid experiment

The Independent variable (IV) is found on the _______ axis of a graph

The Dependent variable (DV) is found on the _____ axis of a graph

A student measures his heartbeat rate after making 2 minutes of different exercises: jog in place, jumping jacks, and high knees. What is the DEPENDENT variable?

A student measured his heartbeat rate after 2 minutes of doing different types of exercise: jog in place, jumping jacks and high knees. What is the CONTROLLED (constant) variable ?

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What should be kept constant? 

Research Question: Does the type of gasoline put in a car affect how fast the car can drive.

What is the independent variable?

What is the independent variable?