Base Unit Basics
SI Prefix Swap
Conversion Combo
Density Dilemma
Will It Float?
100

This is the base unit for mass in the metric system.

What is the gram?

100

Convert 2.0 kilometers to meters.

What is 2,000 meters?

100

Convert 1200 mL to L.

What is 1.2 L?

100

What is the formula for density?

What is density = mass ÷ volume?

100

Will an object with a density of 0.95 g/mL float in water?

What is yes?

200

What does the unit “L” measure?

What is volume?

200

You have 5000 milligrams. Convert to grams.

What is 5.0 grams?

200

Convert 3.4 kg to milligrams.

What is 3,400,000 mg?

200

You have 80 g of water with a volume of 100 mL. What is the density?

You have 80 g of water with a volume of 100 mL. What is the density?

200

A block of metal has a density of 7.8 g/cm³. Will it float in water?

What is no?

300

Which base unit is used to measure time?

What is the second?

300

Convert 0.125 liters to milliliters.

What is 125 mL?

300

Convert 1.5 meters to millimeters.

What is 1,500 mm?

300

An object has a volume of 25 cm³ and a density of 2.4 g/cm³. What is its mass?

What is 60 g?

300

You find a rock with a density of 2.5 g/mL and a sample of oil with a density of 0.92 g/mL. Which is denser?

What is the rock?

400

Which unit would you use to measure the length of a classroom?

What is the metre?

400

How many microseconds are in 0.005 seconds?

What is 5,000 µs?

400

You have 4.0 × 10³ mg. Convert to kg.

What is 0.004 kg?

400

You have a liquid with a mass of 525 g and a density of 1.05 g/mL. What is the volume?

What is 500 mL?

400

Which would float in ethanol (density ≈ 0.79 g/mL): wood (0.40 g/mL) or gold (19.3 g/mL)?

What is wood?

500

Which of these is not a base unit: kilogram, liter, second, mole?

What is kilogram?

500

Convert 7.2 × 10⁶ nanograms to milligrams.

What is 7.2 mg?

500

You walk 2.65 × 10⁵ mm. How many kilometers is that?

What is 0.265 km?

500

A cube has a side length of 3.0 cm and a mass of 81 g. What is its density?

What is 3.0 g/cm³?

500

A mystery substance sinks in water but floats in mercury (13.6 g/mL). What might its density range be?

What is between 1.0 and 13.6 g/mL?