Which is the prefix meaning 1000000 (1 million)

• kilo, k
• mega, M
• giga, G
• micro, μ

Which is the prefix meaning 1/1000000 (1 millionth) ?

• milli, m
• mega, M
• nano, n
• micro, μ

Which is the prefix meaning 1/1000 ?

• milli, m
• micro, μ
• centi, c
• Mega, M

Which is the SI unit for mass ?

• kilogram, kg
• gram, g
• newton, N
• weight, W

Which is the SI unit for temperature ?

• kelvin, K
• degree celcius, ^oC
•  degree fahrenheit, ^oF
• heat, ^oH

how many m in 13.5 km?

• 1350 m
• 13500 m
• 0.0135 m
• 0.000135 m

how many s in 20 minutes

• 200 s
• 2000 s
• 120 s
• 1200 s

how many kg is 7,500,000 mg

• 7500 kg
• 75 kg
• 7.5 kg
• 0.0075 kg

A marble has a mass of 25 g. How many marbles are in 2 kg?

• 40
• 400
• 80
• 800

which correctly list the amounts from smallest to largest?

• 5000 μK, 2.5 mK, 1.25 K
• 250 cm, 4.2 m, 0.0007 km
• 250 μs, 2.5 ms, 0.25 s
• 0.02 kg, 25 g, 1250 mg