Science 6 - First Quarter Review Quiz

Which of the following is a heterogeneous mixture?

• Saltwater

• Oil and vinegar

• Sugar solution

• Coffee

What makes a solution different from a suspension?

• Solutions scatter light

• Suspensions have visible particles

• Solutions can be separated by filtration

• Suspensions are always transparent

Which is an example of a colloid?

• Smoke

• Sand and water

• Salt solution

• Oil

Which method is best for separating sand from saltwater?

• Decantation

• Filtration

• Chromatography

• Distillation

What happens during evaporation?

• Liquid changes to solid

• Gas changes to liquid

• Liquid changes to gas

• Solid changes to gas

Which part of blood helps fight infection?

• Red blood cells

• Platelets

• Plasma

• White blood cells

Which type of muscle is found only in the heart?

• Smooth

• Skeletal

• Cardiac

• Voluntary

Which part protects the brain?

• Skull

• Ribs

• Spine

• Pelvis

Which of the following is an example of a homogeneous mixture?

• Air

• Cereal with milk

• Oil and water

• Sand and stones

What method is used to separate oil from water?

• Filtration

• Decantation

• Chromatography

• Centrifugation