December Benchmark Review 2024

Front

Living matter is made mostly of the element ______

Back

oxygen

Front

The picture shows a ________ change.

Back

chemical

Front

Many substances can be dissolved by water. Water is called the _________ _______.

Back

universal solvent

Front

Formulas are used to show the elements in a ________

Back

compound

Front

_________ are called the 'nurseries of the sea' because they provide organisms with an ideal place to raise their young.

Back

Estuaries

Front

What is the process called when a substance changes from a solid to a liquid?

Back

melting

Front

What is the term for a mixture where one substance is dissolved in another?

Back

solution

Front

What do we call the smallest unit of a chemical element?

Back

atom

Front

What is the term for a change that alters the form of a substance but not its chemical composition?

Back

physical change

Front

What is the name of the process by which plants make their own food using sunlight?

Back

photosynthesis