Science Quiz on Measurement and Mixtures

What is mass measured in?

• Kilograms (kg)

• Newton (N)

• Liters (L)

What tool is used to measure weight?

• Spring balance

• Weighing scale

• Measuring cylinder

Why does an object weigh less on the moon?

• The moon is smaller than Earth

• There is no air on the moon

• The moon has weaker gravity

What type of mixture can be separated using filtration?

• Oil and water

• Salt and water

• Sand and water

Which method is used to separate rice from small stones?

• Filtration

• Sieving

• Evaporation

What happens when sugar dissolves in water?

• It disappears completely

• It spreads out and mixes with water

• It turns into gas

What is an example of an insoluble solid?

• Sugar

• Salt

• Sand

What is used to separate a mixture of iron nails and sand?

• A sieve

• A magnet

• Filter paper

Which of the following is a gas?

• Water

• Oxygen

• Salt

What is the shape of a solid?

• It spreads out

• It flows easily

• It keeps its shape