PW2: Measuring Physical Observables

How is the AREA of a rectangle measured?

• Length x Width

• Length x Width x Height

• Mass / Volume

• Speed x Time

Which of the following is a unit for AREA?

• Meter

• Meter per Second

• Centimeter squared

• Meter cubed

A graduated cylinder can be used to find what?

• Area

• Mass

• Speed

• Volume

What is the volume of the stone if the level of water is at 50ml before the stone is added and rises to 75ml after the stone is added?

• 75ml

• 50ml

• 30ml

• 25ml

What unit is used for the volume of a solid such as a block?

• Centimeter

• Centimeter squared

• Centimter cubed

• Grams per centimeter cubed

What is the volume of the following shape, if the height is 2cm, the length is 4cm and the height is 1cm?

• 2 cm3

• 4 cm3

• 8cm3

• 16cm3

How do we calculate density?

• By dividing mass by volume

• By volume by mass

• By multiplying volume by mass

• By adding volume by mass

Sean got the mass of a stone by placing it on a balance, it was 20 grams. He then worked out it's volume using an overflow can, it was 10 cm3.

What was the density of the stone?

• 2 g/cm3

• 5 g/cm3

• 10 g/cm3

• 200 g/cm3

Which of the following liquids is the LEAST dense?

• Blue

• Red

• Green

• Yellow

How do we calculate the speed of an object?

• Divide distance by time

• Divide time by distance

• Multiply time by distance

• Subtract time from distance