How do you know this is a mixture?

The matter has more than one kind of molecule in it.

The matter has atoms that are all the same.

The matter only has one kind of molecule in it.

How do you know this is a pure substance?

The matter has only one kind of molecule in it.

The matter has more than one kind of atom.

The matter has more than one kind of molecule in it.

The helium in this balloon is an element. Which statement must be true?

Helium molecules have only one kind of atom.

Helium gas is made up of many kinds of molecules.

Helium molecules have more than one kind of atom.

How are the atoms organized in this tree bark?

Some atoms are by themselves and some are joined together to form molecules.

All of the atoms are joined together to form molecules.

Which statement is true about the tree bark?

The tree bark is a pure substance and is an element.

The tree bark is a pure substance and in a compound.

This picture represents the atoms in plaster of paris. Which statement is true?

It is a mixture because it is made of different kinds of molecules.

It is a compound because it is a pure substance with each molecule made of 2 or more atoms.

It is an element because it is a pure substance with each molecule made of only one atoms.

This picture represents the carbon atoms in a diamond. Which of the following is true?

It is a pure substance that is an element because each molecule has one kind of atom.

It is a pure substance that is a compound because each molecule has more than one kind of atom.

It is a mixture because it is made up of different kinds of molecules.

Elements, Compounds, Mixtures

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-1

Standards-aligned

Leah Dixon

Used 154+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Contains only one kind of atom.

Element

Compound

Mixture

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An element is made up of only one kind of _____.

isotope

plastic

atom

metal

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Classify the picture with the correct label.

Element

Compound

Mixture of Elements

Mixture of Compounds

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The building block of matter is

Mixture

Atom

Element

Substance

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

This picture represents which of the following?

element

compound

mixture

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the picture displayed?

atom

element

compound

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A compound is made of ________ atoms.

big

similar

different

Tags

NGSS.MS-PS1-1

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