Science Review

Front

What is the best method to separate solid mixtures like pretzels and peanuts?

Back

Hand Sorting

Front

What happens to the weight of a sealed jar of heavy cream after shaking it until the cream separates?

Back

The jar will have kept the same weight because it did not gain or lose any matter.

Front

What method can be used to separate cereal from milk?

Back

Filtering

Front

How can water and sand be separated?

Back

Filtering

Front

What is true about mixtures in terms of separation?

Back

Each mixture can be separated physically.

Front

What is the definition of a mixture?

Back

A combination of two or more substances that can be separated by physical means.

Front

What is the principle behind filtering as a separation method?

Back

Filtering uses a barrier to separate solids from liquids.

Front

What is hand sorting and when is it used?

Back

Hand sorting is a physical method of separating solid mixtures based on size or shape, used when components are easily distinguishable.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination of elements.

Front

What is an example of a mixture that can be separated by evaporation?

Back

Saltwater can be separated by evaporating the water, leaving the salt behind.