LAB: Mix it up!

Front

What property can be used to separate a mixture of oil and water?

Back

Density is the property that can be used to separate oil and water, as they have different densities.

Front

What happens when salty water is boiled?

Back

When salty water is boiled, the water evaporates and the salt remains in the beaker because salt has a high melting point.

Front

Which separation technique is best for separating air and dust?

Back

Filtering is the best technique for separating air and dust.

Front

If you spilled nails in a sandbox, what separation tool could you use?

Back

A magnet can be used to remove nails from a sandbox.

Front

Which liquid is the least dense: oil, water, syrup, or plastic bottle?

Back

Oil is the least dense liquid among the options.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the difference between a mixture and a compound?

Back

A mixture is made of two or more substances that can be separated, while a compound is a substance formed when two or more elements are chemically bonded.

Front

What is filtration?

Back

Filtration is a separation technique that uses a filter to separate solids from liquids or gases.

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into vapor, often used to separate a liquid from a dissolved solid.

Front

What is density?

Back

Density is the mass of a substance divided by its volume, often used to determine if substances will float or sink.