Review

Review

8th Grade

•

66 Qs

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Review

Review

Assessment

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Hard

•
NGSS
MS-PS1-1, MS-PS1-2, MS-PS1-4

+4

Standards-aligned

Created by

Charles Martinez

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66 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Media Image

A pure substance...

is an element or a compound
is an element or a mixture
is a compound or a mixture
is a mixture

2.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Media Image

This picture represents which of the following?

A single element

Mixture of molecules

mixture of atoms

mixture of compounds

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

The basic building blocks of most of the matter around you.

elements

protons

atoms

electrons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What does the total number of protons and neutrons in the nucleus determine?

The atomic number

the atomic mass

the number of electrons

the number of shells needed for all electrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What subatomic particle determines the identity of an element?

number of electrons

number of protons

number of neutrons

number of atoms

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following substances resents an element?

water

salt

trail mix

gold

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the smallest unit of an element that still retains the element's properties?

proton

neutron

atom

molecule

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