Science and measurement

History...

• ... is not science, because it doesn't involve experiments and calculations

• ... is science, because it involves demonstrating facts with observations and measurements

• ... is not science, because you can never be totally sure about what happened in the past

• ... is science, because historians always tell the truth

Which of the following is NOT a magnitude (cannot be measured)?

• Length

• Hardness

• Speed

• Color

Mark all the units that can be usted to measure LENGTH:

• L

• cm

• feet

• km

Mark all the units that can be usted to measure VOLUME:

• dm3

• mL

• kg

• gallon

One of the following units does NOT belong to the International System. Which one?

• cubic metres

• grams

• kilograms

• seconds

Two identical jars (both totally full) hold different liquids. What can be be sure about?

• They both contain the same mass.

• They both contain the same volume.

• Both the mass and the volume of the liquids are the same.

• Both the mass and the volume of the liquids are different.

What is the most likely volume of this jug of water?

• 1.5 m3

• 1.5 lb

• 1.5 g

• 1.5 L

What is the most likely volume of this syringe of water?

• 10 mL

• 10 dm3

• 10 m3

• 10 inches

What is the most likely volume of this water tank?

• 1200 cm3

• 1.2 cm3

• 1200 m3

• 1.2 m3