Unit 1 chemistry - classify matter

Front

What is matter that has a fixed shape and volume?

Back

Solid

Front

What term describes a set of data that is close to each other but not close to the actual value?

Back

Precise

Front

What separation technique uses boiling point to separate components?

Back

Distillation

Front

What is an example of a physical change?

Back

Melting

Front

If an experiment has a 24.0% error, how can it be described?

Back

Inaccurate

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What is the difference between accuracy and precision?

Back

Accuracy refers to how close a measurement is to the true value, while precision refers to how close measurements are to each other.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is an example of a chemical change?

Back

Rusting of iron.

Front

What is filtration?

Back

A separation technique that uses a barrier to separate solids from liquids.