MP3 Round 2! Whoo hoo!

How many Hydrogen are in 4H₂O?

• 6

• 8

• 2

• 4

Tags

NGSS.MS-PS1-1

2H₂ + O₂ ----> 2H₂O What is the product?

• ------>

• 2H₂O

• 2H₂+ O₂

Tags

NGSS.MS-PS1-5

How many atoms are there TOTAL in:
H₂SO₄

• 6

• 5

• 7

• 3

Tags

NGSS.MS-PS1-1

Balance this equation-
__P₄ + __O₂ --> __P₂O₃

• it is already balanced

• 2, 1, 3

• 1, 2, 3

• 1, 3, 2

Tags

NGSS.MS-PS1-5

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 

• Subscript

• Atom

• Equation

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

• charge

• subscript

• random number

• coefficient

Tags

NGSS.MS-PS1-5

Why are metals useful for making electrical wire?

• Metals do not bend.

• Metals hold much heat.

• Metals are insulators.

• Metals are conductors.

Which is NOT an insulator.

• Wool

• Plastic

• Copper

• Glass

What is a Parallel circuit? 

• Has only one path 

• Has more than one path 

• Allows energy to travel through easily 

• Has only one light bulb

Which best describes a simple series circuit?

• Electricity flows along one pathway.

• The flow of electricity comes from the switch.

• Electricity flows along many pathways.

• The flow of electricity comes from the light bulb.