5th Grade Science Prep

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element. It consists of protons, neutrons, and electrons.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together. Molecules can be made of the same or different types of atoms.

Front

What is the process of reducing landfill waste?

Back

Reducing landfill waste involves actions that minimize the amount of waste sent to landfills, such as recycling, reusing, and composting.

Front

What is the rotation of the Earth?

Back

The rotation of the Earth is the spinning of the Earth on its axis, which causes day and night.

Front

What is a solution?

Back

A solution is a homogeneous mixture of two or more substances, where one substance (the solute) is dissolved in another (the solvent).

Front

How can you increase the concentration of a solution?

Back

You can increase the concentration of a solution by adding more solute while keeping the solvent amount constant.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing its identity, such as color, mass, and volume.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that describes its ability to undergo a chemical change, such as reactivity with acids or flammability.

Front

What is the role of a magnet in separating mixtures?

Back

A magnet can be used to attract magnetic materials, such as iron filings, from a mixture, allowing for easy separation.