Density 3.1

Measuring

100

the property of an object or material calculated as the mass divided by the volume 

density

200

An object that has a space filled with air on the inside is said to be _______________. 

hollow 

300

a three-dimensional shape that has a volume that cannot be calculated using a simple equation is said to be _________________. 

irregular 

400

A three dimensional shape such as a cube or cuboid who volume can be calculated from a simple equation is said to be __________. 

regular 

500

An object that has no space filled with air on the inside is said to be ___________. 

solid. 

Volume, Mass and Density

100

True or false: 

One kg of bricks is heavier than one kg of feathers. 

False

200

True or false: 

Two objects that have the same volume but different mass can have the same density? 

False 

300

Object A and Object B both have the same volume. Object B has more mass than Object A. Which object has the higher density? 

Object B has a higher density.

400

Object A and Object B both have the same mass. Object A has a higher volume than object B. Which object has the higher density?

Object B has a higher density. 

500

Object A has the same density as Object B. If you have the same volume of Object A and Object B, are they required to have the same mass? 

Yes, if they have the same density AND the same volume, it must be true that the mass is also the same. 

Regular or Irregular

100

Which has a higher density - polystyrene or iron? 

iron 

200

What is the volume of a cube with side length equal to 10 cm? 

1000 centimeters cubed.

300

A stone is an irregular shape. How can we calculate the volume? 

Place it in water and measure how much the water rises from the original amount of water. 

400

The density of a piece of 20 g piece of bread is 5 g/cm^3. What is the volume? 

4 cm^3 

500

Why do gasses have a lower density than liquid or solids? 

Because their particles are far from each other. 

Fill in the blank maybe

100

Suppose you have equal volumes of hydrogen and iron. Which one has the higher density? 

iron has a higher density. 

200

True or false: Solids have higher densities than liquids or gasses. 

True 

300

Where can you find the substances with the highest density in the universe? 

in a collapsed star

400

If something is more dense than water it will ______.

sink

500

If something is less dense than water it will ________. 

float

Float or sink

100

What is the density of water? 

1.0 g/cm^3

200

Suppose an object is 10 g in mass. The Volume is 20 cm^3. Will it float in water? 

Yes

300

Suppose an object is 15 g in mass and it has a volume of 3 cm^3. Will it float in water? 

No 

400

Suppose an object has a mass of 1 kg and a volume of 2000 cm^3. Will it float in water? 

Yes. 

500

Suppose an object is 3 kg in mass and has a volume of 20 m^3. Will it float in water? 

No