Chemical changes

Presentation

•

Chemistry

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-2, MS-PS1-5, MS-PS1-1

Standards-aligned

B Taylor

Used 14+ times

FREE Resource

10 Slides • 16 Questions

Chemical changes in Matter

We will be examining what are chemical changes and the Law of Conservation of Mass

Multiple Choice

Identify what type of change happening in the picture below...

Chemical Reaction

Physical Change

Change in State

Change in appearance only

Multiple Choice

Identify what type of change happening in the picture below...

Chemical Change

Physical Change

Endothermic Reaction

Exothermic Reaction

Multiple Choice

The difference between a Physical change and a Chemical change is…

Physical change is only a change to the outside appearance.

Chemical change is when matter is changed into something new.

Atoms are rearranged in chemical changes & not in physical.

All are correct.

Multiple Choice

When you break a cracker into pieces it is a...

Chemical change

Physical change

Multiple Choice

Which of these is a result of a chemical change?

A mixture

A solution

A new substance

Melting or freezing

Multiple Choice

Chemical or Physical? Glass breaking into tiny shards

Chemical Change

Physical Change

Multiple Choice

An object undergoes a chemical change when it changes:

shape, form, state of matter

melting, odor, size

color, burning, rusting

Multiple Choice

Which of these is NOT an indicator of a chemical change?

a change in color

giving off or taking in of heat

the release of gases

a change in shape

Multiple Choice

In a chemical change, particles that make up two or more substances are rearranged to ___

form a mixture

form a new substance

mix into a solid

mix into a solution

Multiple Choice

Which of the following is a sign that a chemical reaction has occurred?

change in shape

melting

formation of a gas

dissolving

Multiple Choice

A green powder is heated & a gas is given off while it turns to a black solid. This describes

Physical Change

Chemical Change

Change in State

Change in Temperature

Multiple Choice

A copper penny turning greenish after a few years is an example of ...

Chemical Change

Physical Change

Multiple Choice

Which Law states that Matter cannot be created or destroyed during a Chemical Change/Reaction?

Conservation of Energy

Conservation of Matter (Mass)

Conservation of Momentum

Conservation of Thermodynamics

Multiple Choice

When tearing a piece of paper, the mass will __________ because of the law of conservation of mass.

increase

decrease

stay the same

Multiple Choice

Fizzing, foaming, and burning are all examples of

Chemical change

Physical change

Poll

Rate your understanding of Describing Chemical changes

great, Fully understand

Almost there

average

need much more help

Chemical changes in Matter

We will be examining what are chemical changes and the Law of Conservation of Mass

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