8th Science Vocabulary

Front

small single-celled organisms

Back

Bacteria are found almost everywhere on Earth and are vital to the planet's ecosystems.

Front

The smallest particle of a substance that has all of the physical and chemical properties of that substance

Back

Atom

Front

A structure inside an animal cell where DNA is stored.

Back

Nucleus

Front

A subatomic particle with a positive electrical charge that resides within the nucleus of every atom.

Back

Protons

Front

Russian chemist who devised the periodic table of the elements.

Back

Demitri Mendeleev

Front

The basic unit of life.

Back

Cell

Front

A substance made up of only one type of atom.

Back

Element

Front

The center of an atom, containing protons and neutrons.

Back

Nucleus

Front

A negatively charged subatomic particle that orbits the nucleus of an atom.

Back

Electrons

Front

The process by which plants use sunlight to make food.

Back

Photosynthesis