Exploring Density and Measurement Concepts

Which is heavier: a pound of feathers or a pound of bricks?

• A pound of feathers

• A pound of bricks

• It depends on the volume

• They weigh the same

What is the SI base unit for mass?

• Gram

• Pound

• Kilogram

• Milligram

How is liquid volume typically measured in chemistry?

• Using a ruler

• Using a graduated cylinder

• Using a thermometer

• Using a balance

What does the prefix 'kilo' represent?

• 10^-3

• 10^6

• 10^3

• 10^-6

How many grams are in one kilogram?

• 100 grams

• 1000 grams

• 10000 grams

• 10 grams

What is the formula for calculating density?

• Density = Mass * Volume

• Density = Mass + Volume

• Density = Mass / Volume

• Density = Volume / Mass

Why can density be used to identify an unknown substance?

• Because each substance has a unique density

• Because density is the same for all substances

• Because density is not affected by volume

• Because density changes with temperature

What does a particle diagram with closely packed particles indicate?

• The substance is less dense

• The substance is more dense

• The substance has a larger volume

• The substance has a smaller mass

What is the density of water?

• 100 grams per milliliter

• 0.1 grams per milliliter

• 1 gram per milliliter

• 10 grams per milliliter

What determines whether an object will float on water?

• Its shape

• Its volume

• Its mass

• Its density compared to water