Quiz on LO#1 - Graphing Data

You did a survey among 35 teenagers about their favorite sports so you can answer the following problem:

What is the most favorite sport amongst teenagers at Los Amigos?

Which type of graph should you use to represent the number of responses in each sport?

This variable in an experiment is the one being purposefully changed (or manipulated) by the scientist before the experiment is even conducted. This is NOT the responding variable or measurement that depends on the outcome of the experiment.

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. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is _____________.

A student wanted to do the following experiment involving nutrition:

Does the amount of spinach eaten affect the amount of iron in blood?

What's the dependent variable in the statement above?

You will want your experiment to have ____ independent variable(s) in it for the experiment to be scientifically valid.

In an experiment to find out how the temperature affects the bounce height of a ball, the dependent variable is _____________.

What is the independent variable as shown in the graph?

In a line graph you will find the independent variable on the ___ axis and the dependent variable on the ___ axis.

(the answer must be in the correct order as the missing blanks above)

This part of the experiment serves as a basis of comparison; the group that does not receive the independent variable and is ran under "normal" conditions.

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 controlled in this experiment?