Science 6 Benchmark 2 (Midcourse)

Front

What is the independent variable in an experiment involving the rate of minerals dissolving in heated water?

Back

The temperature of the water.

Tags

NGSS.MS-PS1-4

Front

What type of change occurs when a new substance is formed?

Back

Chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Why are estuaries referred to as the 'nurseries of the sea'?

Back

They provide an excellent environment for organisms to raise their young.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Front

In an oxygen atom, what does the number 3 represent?

Back

Neutron.

Tags

NGSS.MS-PS1-1

Front

What is a wetland?

Back

A lowland area that is saturated with water, supporting a vibrant natural habitat.

Front

What is a mineral?

Back

A naturally occurring inorganic solid with a definite chemical composition and crystalline structure.

Front

What is the process of dissolving?

Back

The process in which a solute mixes with a solvent to form a solution.

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of protons, neutrons, and electrons.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the role of protons in an atom?

Back

Protons determine the atomic number and identity of an element.