Science Vocabulary

Front

What does 'malleable' mean?

Back

Malleable refers to the ability of a metal to be hammered or rolled into thin sheets.

Front

What charge do neutrons have?

Back

Neutrons have a neutral charge.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Tags

NGSS.MS-PS1-5

Front

How many protons are in the element with atomic number 79?

Back

There are 79 protons in this element.

Front

Which of the following is an element: Salt (NaCl), Water (H2O), Oxygen (O), or Carbon Dioxide (CO2)?

Back

Oxygen (O) is an element.

Front

What is an atom?

Back

An atom is the smallest unit of a chemical element, consisting of protons, neutrons, and electrons.

Tags

NGSS.MS-PS1-1

Front

Define 'element'.

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements chemically bond, while a mixture is a combination of two or more substances that retain their individual properties.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.