Exploring Physical Quantities

What do we use to measure length?

• Compass

• Thermometer

• Scale

• Ruler, tape measure, or caliper

What is the unit for measuring length?

• Meter

• Celsius

• Liter

• Kilogram

How many centimeters are in a meter?

• 75

• 50

• 100

• 200

What tool do we use to measure mass?

• Balance or scale

• Protractor

• Ruler

• Thermometer

What is the unit for measuring mass?

• meter

• liter

• kilogram

• joule

How many grams are in a kilogram?

• 200 grams

• 500 grams

• 1000 grams

• 1500 grams

What do we use to measure time?

• Clocks and watches

• Calendars

• Sundials

• Thermometers

What is the unit for measuring time?

• grams

• liters

• seconds

• meters

How many seconds are in a minute?

• 30

• 45

• 120

• 60

What is the smallest unit of time we commonly use?

• minute

• second

• day

• hour