Scientific Method
Making Graphs
Variables
Interpreting Graphs
Math and Measurement
100

A prediction or educated guess

hypothesis

100

The horizontal axis of a graph where the independent variable is graphed is the ____ axis

X

100

In an experiment to see which of 5 mice can complete a maze the fastest, the independent variable is:

Mice

100

Data likely to be shown in a line graph

Numerical data, such as time (or other example)

100

If 1m=100cm, 12cm=__m

0.12m

200

You observe that your dog likes to play with a certain toy. You predict that the dog likes chew toys best. You have made:

a hypothesis

200

The Y axis is where the _____________ variable is graphed

Dependent

200

A scientist sprays one plant with pesticide and the other with water. They count how many insects are on both plants. The dependent variable is:

How many insects

200

Data likely to be shown as a bar graph

categories such as colors (or other example)

200

Round 7,489 to the nearest hundred

7,500

300
To learn the favorite food of wild birds, a scientist sets up feeders with three different types of seeds. This is

an experiment

300

This graph is missing:


-Title

-Labels

300

In an experiment to see how much bedtime effects grades, students are told to all eat the same breakfast and get the same amount of exercise. These are examples of

control variables

300

In the graph you are about to see, the product that sells more:

Product A

300

if 1L=1000mL, 3.4L=__mL

3,400mL

400

You see tracks in fresh snow and investigate their shape. This is


an observation

400

All the parts a graph needs to be complete

Title, scale, labels on both axes, sometimes a key
400

A student designs an experiment to see if potatoes need fertilizer to grow. They put three of their plants on the windowsill and run out of space, so they put two more in the closet. Their mistake was:

Two variables/no control

400

In the graph you are about to see, the period with the fewest students is:

Period 4

400

The average of 3, 7, and 5 is:

5

500

A scientist observes lightening striking trees up on a hill. They predict that height is the main risk to lightening strikes. They monitor trees growing at different heights and write down how many strikes they have observed. What is their observation, hypothesis, and experiment?

observation: lightening strikes

hypothesis: lightening strikes based on height

experiment: monitoring trees at different elevations

500

Your experiment is designed to find out how time of day effects temperature in your house. What goes on the x-axis of your graph and what goes on the y-axis?

x: time

y: temperature

500

Experiment: Surveying students about how many hours of video games they play and what grades they get. Give the

independent variable

dependent variable

a control variable

independent: hours

dependent: grades

control: many possible answers

500

In the graph you are about to see, are you concerns about any of the frog species you see? Why or why not?

(multiple possible answers)

500

if 1km=1000m and 1m=100cm, 2.35km=___cm

235,000