Amplify - Chemical Reactions - Chapter 1 Quiz

Where did Dr. Yung (the chemist near Westfield) find the reddish-brown substance when she examined all the possible sources?

• coming from the pipes into the houses

• in the wells where the water comes from

• in the ponds nearby the town

• in all water everywhere in Westfield

Tags

NGSS.MS-PS1-2

How often do chemists from a city's water department test the water supply?

• every hour

• every day

• every week

• every month

• every year

An object, diagram, or computer program that helps us understand something by making it simpler or easier to see...

• model

• atom

• simulator

• experiment

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-2

NGSS.MS-LS2-3

NGSS.MS-PS1-1

A structure formed by repeating groups of atoms that link together in a large network...

• extended structure

• atoms

• molecules

• proteins

Tags

NGSS.MS-PS1-1

A group of atoms joined together in a particular way...

• molecule

• atom

• extended structure

• property

Tags

NGSS.MS-PS1-1

When examining the following evidence, which is the best evidence we should use?

• ugly color, solid

• white, small pieces

• white, small, grainy, crystals

Tags

NGSS.MS-PS1-2

The tiny pieces that all matter--all the stuff in the world--is made of ...

• atoms

• protons

• molecules

• electrons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Select the FALSE definition for "Repeating groups of atoms"

• Repeating atoms are atoms that replicate themself.

• Repeating groups of atoms are substances made of the same group of atoms repeated over and over.

• Molecules are groups of atoms that form specific groups that are each separate and can range in size from two atoms to thousands of atoms.

• Extended structures are substances that in solid phase are made of many atoms or many groups of atoms that connect to form a large structures called crystals.

Why do different substances have different properties?

• They are made of different groups of atoms.

• They look different.

• The same atoms can change their properties when needed.

• There are different numbers of the repeating atom groups.

Tags

NGSS.MS-PS1-1

Consider the following substance descriptions. Does the evidence support that they are the same substances?

Substance 1: white, small, grainy, crystals

Substance 2: black, fine powder.

• YES

• NO