science

What tool do you use to measure length accurately?

• Calculator

• Ruler or tape measure

• Compass

• Protractor

How many centimeters are in a meter?

• 100

• 50

• 1000

• 10

If a pencil is 15 cm long, how many millimeters is that?

• 180 mm

• 100 mm

• 120 mm

• 150 mm

What is the mass of an object measured in?

• kilograms (kg)

• pounds (lb)

• liters (L)

• grams (g)

What tool do you use to measure mass?

• Protractor

• Thermometer

• Balance or scale

• Ruler

If a bag of flour weighs 2 kg, how many grams is that?

• 2500 grams

• 2000 grams

• 1500 grams

• 1000 grams

How do you read a ruler to find the length of an object?

• Ignore the zero mark and start from the end of the ruler.

• Only use the inch side of the ruler.

• Align the object with the zero mark and read the nearest measurement.

• Measure from the middle of the object.

What is heavier: 1 kg of feathers or 1 kg of rocks?

• They are equal in weight.

• 1 kg of rocks is heavier than 1 kg of feathers.

• 1 kg of feathers is heavier than 1 kg of rocks.

• 1 kg of feathers weighs more than 2 kg of rocks.

If a book is 25 cm long, how many meters is that?

• 0.5 meters

• 1 meter

• 2.5 meters

• 0.25 meters

What unit would you use to measure the mass of a small apple?

• liters

• grams

• pounds

• kilograms