Science 2nd Term 2024 - 2025 C.A.T. 2

Which of the following is a solute?

• water

• juice

• salt

• vinegar

Which of the following is the BEST definition of a solvent?

• A substance that dissolves into a liquid.

• A liquid in which a substance is dissolved.

• The mixture formed when a substance dissolves in a liquid.

• A substance that cannot be dissolved in a liquid.

  Question 2:

Which of the following BEST describes a heterogeneous mixture?

• It has a uniform composition throughout.

• Its components are evenly distributed.

• Its components can be visually distinguished.

• It is formed by chemically bonding two or more substances.

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

• Pizza

• Salad

• Chocolate chip cookies

• Saltwater

Which separation technique would be MOST suitable for separating a mixture of sand and water?

• Evaporation

• Sieving

• Filtering

• Distillation

A mixture of different sized pebbles and gravel needs to be separated. Which technique would be the MOST effective?

• Evaporation

• Chromatography

• Sieving

• Filtering

Which characteristic BEST describes plastic?

• Strong and conducts electricity.

• Natural and comes from trees.

• Man-made, light, and flexible.

• Contains iron and can rust.

Which of the following is an example of a ferrous metal?

• Aluminum

• Copper

• Steel

• Gold

Which of the following is NOT a component of our solar system?

• Planets

• Galaxies

• Moons

• Asteroids

What are the outer planets of our solar system primarily made of?

• Rock and metal

• Ice and gas

• Dense forests

• Liquid water