Science 7 Skills Quiz (Jan. 8)

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes
• It is what has always been done
• No one really knows

How many variables can be tested in an experiment?

• 1

• 2

• 3

• as many as possible

A student conducted an experiment about the movement of a marble through four different liquid substances. Looking at the figure designed by the student, what is an error in his experiment?

• The amount of liquid substances used is not consistent.
• The type of liquid substances are not labeled correctly.
• The type of marble used is not consistent.
• The marbles are not dropped from the same distance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

Adam is conducting a science experiment on the effect of different environments on plant growth. He put one plant in a closet and the other plant in a window at his house. He measured the growth of each plant weekly for six weeks. He then created a graph after he reviewed his data. What is the responding variable in Adam's experiment?

• Total Growth of Plant.

• Plant Environment

• The Effect of Different Environments

• Measurement Over Six Weeks

What variable must be kept the same to make it a fair test?

• Controlled variable

• Manipulated variable

• Responding variable

• No variables need to be kept constant

Lisa is working on a science project. Her task is to answer the question: "Does Rogooti (which is a commercial hair product) affect the speed of hair growth". Which is the manipulated variable?

• Hair growth

• Rogooti (hair product)

What is the responding variable?

• d = 25t

• distance

• time

• hours

Bar graphs are used to best represent what type of data?

• Change over Time

• Trends over Time

• Comparisons of Information

• Percentages

Which letter represents the x-axis?

• letter A
• letter B
• letter C
• letter E

Tags

CCSS.5.G.A.1

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the graph to predict how many pages would be in a book with 19 chapters.

• 150 pages

• 170 pages

• 190 pages

• 210 pages