Chemical reactions involve changes in an atom’s ______________________

• Protons

• Neutrons

• Electrons

• Gluons

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What two gases are created by passing electricity through water?

• nitrogen / oxygen

• carbon / oxygen

• hydrogen / nitrogen

• hydrogen / oxygen

Tags

NGSS.MS-PS1-2

Two kids make a fire extinguisher by combining a liquid reactant and solid reactant to form a gaseous product. What is the gaseous product of this reaction?

• Carbon Dioxide

• Nitrous Oxide

• Carbonate

• Water Vapor

Tags

NGSS.MS-PS1-2

Car and motorcycle engines combine gasoline with _____________ from the air to make small explosions.

• sulfur

• nitrogen

• oxygen

• hydrogen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens when Sodium, one of the elements in salt, comes in contact with water?

• It dissolves & disappears

• It lights on fire & explodes

• it evaporates & becomes gas

• it sinks to the bottom

Tags

NGSS.MS-PS1-2

Alfred Nobel started the Nobel Prize after he invented what substance?

• The Microscope

• Kevlar

• Sucrose

• Dynamite

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

According to Bill, why are certain elements grouped together on the periodic table?

• they have the same mass

• they share similar properties

• they are the same element

• they have the same number of protons

After the basketball game, Bill talks about a helpful chemical reaction that makes the icepack get cold. What type of reaction was this?

• Endothermic

• Exothermic

• Nuclear

• Physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-6

How many naturally occurring elements are there?

• 44

• 118

• 92

• 200

When sodium & chlorine combine, what do they form?

• sugar

• salt

• chlorox

• nitrogen

Tags

NGSS.MS-PS1-1