Density lesson

Density lesson

Multiple Choice

Mercury is a metal that is liquid at room temperature and has a density of 13.5 g/cm3.  Which of these metals would sink below the mercury if dropped into a container of mercury?

• gold (density=19.3 g/cm3)
• lead (density=11.4 g/cm3)
• iron (density=7.9g/cm3)
• aluminum (density=2.7g/cm3)

Multiple Choice

Why do ice cubes float in a  glass of water?

• the ice cubes are more dense than the water
• the water is more dense than the ice cubes
• the water is more dense than the glass
• the ice is more dense than the glass

Multiple Choice

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

Multiple Choice

What is the volume of a cube with the following dimensions length = 2cm, width = 2cm, height = 2cm?

• 8 cm

• 8 cm³

• 6 cm

• 6 cm³

Multiple Choice

Find the mass of a container that has a volume of 380 cm³ and a density of 0.97 g/cm³

• 368.6 grams

• 0.0026 grams

• 391.8 grams

• None of the above

Multiple Choice

When does an object float?

• If it has a density of Less than 1 g/ml

• if it has a density of more than 1 g/ml

• It has a density of exactly 1 g/ml

• None of the above

Multiple Choice

What is the density of water?

• 10 g/ml

• 1 g/ml

• 0.1 g/ml

• 100 g/ml

Multiple Choice

A box has a mass of 50 grams and a volume of 30 cm³. What is the density of the rock?

• 0.6 g/cm³

• 80 g/cm³

• 1500 g/cm³

• 1.67 g/cm³

Multiple Choice

How do you find the density of an object

• Mass times Volume

• Mass divided by Volume

• Volume times Mass

• Volume divided by Mass

Multiple Choice

Which box has the higher density?

• Box A

• Cannot be determined

• Box B

• They are the same

Multiple Choice

What two types of measurements make up DENSITY? 

• Mass and Volume
• Temperature and Mass
• Grams and Centimeters
• Volume and Weight

Multiple Choice

What is the mass on this triple beam?

• 506g

• 576g

• 570g

Multiple Choice

What is the value on the balance?

• 240.0 g

• 142.0 g

• 100.4 g

Multiple Choice

What is the value on the balance?

• 901.5 g

• 900 g

• 190.4 g

Multiple Choice

Find the mass.

• 550.4 g

• 559.4 g

• 550.6 g

Multiple Choice

What is the volume of the ring? (new volume - old volume)

• 64 mL

• 68 mL

• 8 mL

• 4 mL

Multiple Choice

The _________________ is used to measure length in centimeters.

• meter stick
• thermometer
• spring scale
• triple beam balance

Multiple Choice

What is the curve at a liquid's surface called?

• meniscus

• graduated cylinder

• displacement

• depth

Multiple Choice

What instrument is used to measure volume?

• ruler

• triple beam balance

• graduated cylinder

• scale

Multiple Choice

What is the formula for measuring the volume of a regular solid?

• length x width

• length x width x height

• water displacement method

• width x height

Multiple Choice

Steven finds the volume of a graduated cylinder with a penny in it. The volume was 43 mL. If the volume before the penny was added was 38 mL. Then what is the volume displacement?

• 4 mL

• 4

• 5

• 5 mL

Multiple Choice

50 mL of water was added to the graduated cylinder. After we drop in the object, the new water level goes up to 60 mL. What is the volume of the blocks? (Hint: new volume- old volume)

• 8 mL

• 10 mL

• 60 mL

• 5 mL

Multiple Choice

displacement

• a procedure used to measure volume of a solid object by placing it in a known amount of liquid

• measures how much matter is present in a substance

• a metric unit of measurement used to measure small volumes of liquid

Multiple Choice

What is this tool to get mass?

• triple beam balance
• ruler
• thermometer
• graduate cylinder

Multiple Choice

What is this tool to get volume?

• triple beam balance
• ruler
• thermometer
• graduate cylinder

Multiple Choice

What units are used to measure Density?

• cm³/g
• g
• g/cm³
• cm³

Multiple Choice

Which of the following is an example of an object with a low density?

• Pillow

• Bowling Ball

• Brick

Multiple Choice

In a density column, is the substance with the highest density on the bottom or the top?

• Bottom

• Top

Multiple Choice

A scientist has four different liquids and pours them all into a bottle.  The silver liquid sinks to the bottom, the red liquid settles on top of the silver one, and the pink liquid stays at the surface. Which liquid has the smallest density?

• the pink liquid
• the silver liquid
• the red liquid
• the water

Multiple Choice

Helium balloons rise on earth because

• helium is less dense than air
• helium is more dense than air
• helium is cooler than air
• helium is warmer than air

Multiple Choice

Will a peeled lemon float or sink?

• Float

• Sink

Multiple Choice

Will a lemon float or sink?

• Float

• Sink

Multiple Choice

Will a paper clip float or sink?

• Float

• Sink

Multiple Choice

Two cubes of the same size were measured. Cube A was 52 grams and cube B was 130 grams. Which cube has the greatest density?

• A

• B

Multiple Choice

When two materials that have different densities, like oil and water, encounter one another, they will?

• exchange densities.

• mix uniformly.

• repel one another.

• separate according to their densities.

Multiple Choice

You are given a mystery object in science class. Your teacher asks you to determine if your object is more or less dense than water. You place the object in the water and it sinks. What statement would best describe this situation?

• The mystery substance is denser than water.

• Water is denser than the mystery substance.

• They both have the same mass.

• The mystery substance must be hollow.

Multiple Choice

What causes an object to sink in a water?

• if the object's density is less than the water's density.

• if the object's density is the same as water's density.

• if the object's density is greater than water's density.

• if the object's density is zero

Multiple Choice

Which box has a higher density?

• A

• B

• They are the same

Multiple Choice

Use the picture to select the correct statement.

• Oil is denser than water

• Pasta is less dense then crayon

• The paper clip is denser than every thing else

Multiple Choice

Students have a container of water and several objects.  The water will help students observe _____________.

• if the objects are made of iron
• whether the objects sink or float
• how quickly the objects heat up
• the mass of each object

Multiple Choice

Which tool would you use to measure an objects temperature?

• Triple Beam Balance
• Magnet
• Pan Balance
• Thermometer

Multiple Choice

Why do objects sink or float in H₂O? 

• Because their densities are higher or lower than compared to water
• Because their densities are using gravity to pull down
• Because their densities are heavier or lighter
• Because their mass and volumes are equal 

Multiple Choice

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

Multiple Choice

If a 96.5g piece of aluminum has a density of 2.7 g/cm³, what is its volume?

Hint: density = mass/volume

• 35.7 cm³

• 260.55 cm³

• 0.03 cm³

• 99.2 cm³

Multiple Choice

If the density of a diamond is 3.5 g/cm³ , what would be the mass of a diamond whose volume is .5 cm³?

Hint: density = mass/volume

• 1.75 g

• 7 g

• 0.14 g

• 4 g