Unit 1 Scope 4 Practice Quiz

What is an atom?

• The smallest particle that makes up matter

• A type of molecule

• A crystal structure made of the element Carbon

• When two or more molecules join together

Tags

NGSS.MS-PS1-1

What is a molecule?

• Formed when two or more atoms join together

• A type of atom

• Another word we use for element

• A pure substance

Tags

NGSS.MS-PS1-1

A compound is a ​ (a)   but a ​ molecule is not always a ​ (b)   .

• molecule
• atom
• compound
• element

Tags

NGSS.MS-PS1-1

What is an element?

• A unique atom found on the periodic table

• Not a pure substance

• A crystal structure made from carbon, oxygen, and hydrogen

• A molecule made of at least 3 atoms

Tags

NGSS.MS-PS1-1

What is a compound?

• A mixture of atoms

• When two or more different atoms join together

• When two or more of the same atoms join together

• An example is sugar or salt

Tags

NGSS.MS-PS1-1

What is a pure substance?

• Substances that are made up of only one kind of particle

• Trail mix

• We didn't learn about this

• Substances that are mixed together made of many different types of particles

Tags

NGSS.MS-PS1-1

Hydrogen and oxygen combined always makes a water molecule.

• True

• False

Tags

NGSS.MS-PS1-1

What is the name of this molecule?

• Methane(CH4)

• Water (H2O)

• Sugar(C6H12O6)

• Salt (NaCl)

Tags

NGSS.MS-PS1-1

What is the name of this molecule?

• Salt (NaCl)

• Water (H2O)

• Sugar (C6H12O6)

• Methane (CH4)

Tags

NGSS.MS-PS1-1

Oxygen always combines to form oxygen gas (O2).

• True

• False

Tags

NGSS.MS-PS1-1