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?

• bar graph

• line graph

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.

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

• the type of plant

• the amount of sunlight

• the type of music

• the type of liquid

Tags

NGSS.MS-LS1-5

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?

• Amount of Iron in Blood

• Amount of Spinach Eaten

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

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS2-2

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

• temperature
• bounce height
• the thermometer
• the ruler

What is the independent variable as shown in the graph?

• Total cost of mowing

• Moe's Mowing Service
• 8 hours

• Mowing Time

Tags

NGSS.MS-PS3-1

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)

• x , y

• y, x

• they can be switched

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.

• experiment controls

• control group

• experimental group

• hypothesis

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? 

• type of plant, flower pot,  soil, and amount of sunlight
• water, apple juice, milk
• only the amount of sunlight
• type of plant only

Tags

NGSS.MS-LS1-5