Separation of Mixtures

Sugar cubes are being dissolved in a beaker of water. Which of the following changes would help the sugar dissolve faster?

• Freezing the solution

• Heating up the solution

• Add more sugar cubes

• Add larger sugar cubes

What type of tool is this?

• Sieve/Strainer

• Filter

• Magnet

• Settling

A combination of two or more substances is generally classified as a(n) _____________.

• Mixture
• Compound
• Element
• Solution

What is the relationship between mixtures and solutions?

• All mixtures are solutions.
• Mixtures and solutions are the same.
• Mixtures must be solid and solutions must be liquid.
• All solutions are mixtures

Mixtures can be made from which of the following?

• Solids
• Liquids
• Gasses
• All of the above

Which of these is a characteristic of a solution?

• Solutions are always colorless.
• Solutions are poisonous.
• Solutions cannot be separated
• Solutions cannot be distinguished as separate substances

A way to separate a solid that has dissolved in a liquid solution is through ___________.

• Filtration
• Sifting
• Evaporation
• Flotation

Pouring a mixture through a paper which allows only the liquid to pass through is called __________________.

• Filtration
• Sifting
• Chromatography
• Evaporation

Sara has a container of sand, iron filings, and beans. Which method should she use if she  wants to remove the iron filings from the mixture?

• funnel
• magnetic attraction
• evaporation
• chromatography

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter

• Screen

• Magnet

• Evaporation