Key terms Ch1 Essentials

What is the smallest particle of an element that can enter into a chemical combination?

• Atom

• Molecule

• Compound

• Element

What is the unit of temperature where water freezes at 0 °C and boils at 100 °C?

• Fahrenheit

• Kelvin

• Celsius

• Cubic Meter

What is the study of the composition, properties, and interactions of matter called?

• Physics

• Biology

• Chemistry

• Geology

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What is a pure substance that can be decomposed into two or more elements called?

• Mixture

• Compound

• Atom

• Molecule

What is the ratio of mass to volume for a substance or object called?

• Density

• Weight

• Volume

• Length

How closely a measurement aligns with a correct value is best described as:

• accuracy

• precision

• significant figures

• targets

A change producing a different kind of matter from the original kind of matter is best described as

• physical change

• chemical change

• both chemical and physical change

• neither chemical or physical change

Tags

NGSS.MS-PS1-2

A pure substance that can be decomposed into two or more elements

• element

• compound

• homogeneous mixture

• heterogeneous mixture

Volume of a cube with an edge length of exactly 1 cm

• 1 cubic cenitmeter

• 1 cubic meter

• 1 mL

• 1 gram

A substance that is composed of a single type of atom; a substance that cannot be decomposed by a chemical change

• element

• compound

• homogenous mixture

• heterogenous mixture