Stemscopes Exam Mathematics in Science 2

Question 1

What type of graph is best for showing how a quantity changes over time?

Accepted Answer

Line graph

Answer

Pie chart

Answer

Bar graph

Answer

Scatter plot

Question 2

In scientific notation, how is 6,500 written?

Accepted Answer

6.5 × 10³

Answer

6.5 × 10²

Answer

65 × 10²

Answer

0.65 × 10⁴

Question 3

What is the dependent variable in an experiment?

Accepted Answer

The variable the scientist measures

Answer

The variable the scientist changes

Answer

The variable held constant

Answer

The hypothesis

Question 4

What does a pie chart show?

Accepted Answer

Parts of a whole as percentages

Answer

Change over time

Answer

Correlation between two variables

Answer

Range of data values

Question 5

What is the median of: 3, 7, 5, 9, 1?

Accepted Answer

5

Answer

3

Answer

7

Answer

9

Question 6

How is density calculated?

Accepted Answer

Density = Mass ÷ Volume

Answer

Density = Mass + Volume

Answer

Density = Mass × Volume

Answer

Density = Volume ÷ Mass