Change in Matter

What are the signs of a chemical reaction?

• Gas Production

• All of the answers

• Color Change

• Odor

Tags

NGSS.MS-PS1-2

Change in state of matter is a:

• Chemical Change

• Physical Change

• Permanent Change

• Are unchangeable

Tags

NGSS.MS-PS1-4

The ingredients in a chemical reaction are called the:

• products

• ingredients

• reactants

• samples

When using chemicals in a lab, you should:

• Wear gloves

• Waft instead of inhaling deeply

• Follow directions

• All of the above

Which of these are an example of a chemical reaction?

• Metal Rusting

• Breaking down of food in your digestive system

• Photosynthesis

• All of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the substance created by a chemical reaction called?

• reactant

• product

• resultant

• summation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When observing a reaction between two substances, you want to look at:

• the product only

• the properties of the ingredients

• the properties of the substance before and after

• None of the above

Tags

NGSS.MS-PS1-2

Which type of chemical reaction is represented by AB = A+B

• Synthesis

• Decomposition

• Single Replacement

• Combustion

Tags

NGSS.MS-PS1-2

In which type of chemical reaction is carbon dioxide and water always in the product?

• Synthesis

• Decomposition

• Single Replacement

• Combustion

A chemical equation is:

• A symbolic representation of a chemical reaction

• A symbolic representation of a physical change

• Only shows reactants

• None of the above

Tags

NGSS.MS-PS1-5