Introduction to Science Unit Study Guide

A balance is a scientific tool used to measure

• temperature.

• volume.

• mass.

Which of the following units is an SI base unit?

• milliliter

• cubic meter

• kilogram

The quantity 5.85 x 10⁴ m is equivalent to

• 5850000 m

• 58500 m

• 0.000585 m

Which of the following measurements has two significant figures?

• 500 mL

• 26.59 km

• 2.3 cm

What kind of chart is best to show the different gases in our air mixture?

• pie chart

• bar graph

• line graph

Making sure an experiment gives the results you expect is an example of

• the scientific method.

• critical thinking.

• unscientific thinking.

Tags

NGSS.MS-LS1-5

In a controlled experiment,

• the outcome is controlled.

• one variable is fixed while all others are changed.

• one variable is changed while all others remain fixed.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

A line graph is best suited for

• comparing electrical conductivities of different metals.

• recording changes in a star's brightness over a 5 hour period.

• comparing accelerations of automobiles.

The quantity 300 000 000 m/s is equivalent to

• 3 x 10⁶ m/s.

• 3 x 10⁷ m/s.

• 3 x 10⁸ m/s.

7,000.0 g = ____ kg

• 700.0

• 7.0

• 0.07