Physics Unit One Practice

What is the SI unit for measuring time?

• seconds

• hours

• meters

• lightyear

What is the SI unit for measuring mass?

• grams

• kilograms

• pounds

• ounces

What is the SI for measuring length?

• kilometers

• meters

• miles

• feet

A bicycle has a speed of 6 m/s. What is its speed in km/h?  (1 km=1000 m)

• 21.6 km/h
• 16.67 km/h
• 2.16 km/h
• 1.67 km/h

Tags

CCSS.5.MD.A.1

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Tags

CCSS.8.EE.A.4

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

Tags

CCSS.5.NBT.A.4

What is 78.5 rounded to one significant figure?

• 79
• 78.5
• 70
• 80

Tags

CCSS.5.NBT.A.4

Determine the number of Significant Figures in 10.0-g

• 5
• 4
• 3
• 2

Which of the following is the answer for the problem with the correct number of significant digits?
24.32 + 1.2 = 25.52

• 25.6
• 25.52
• 25.5
• 25