Week 11 Notebook Review Quiz_Level

You combine 20g of baking soda with 50g of vinegar, but afterwards you end up with only 64g of product. What happened?

• Science is a LIE, study math instead

• Some atoms disappeared

• Some product was lost to the air

• You forgot to tare the scale

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What does a balanced chemical equation show?

• Mass is conserved
• Energy is created
• Atoms are rearranged
• Molecules disappear

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical reaction, what happens to the atoms?

• Atoms are rearranged
• Atoms are destroyed
• Atoms are created
• Atoms disappear

Tags

NGSS.MS-PS1-5

What is the Law of Conservation of Mass?

• Matter cannot be created or destroyed
• Energy is never lost
• Substances have the same mass after reactions
• Atoms can be split into smaller parts

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When you burn steel wool, what reacts with the steel?

• Oxygen
• Carbon dioxide
• Water vapor
• Nitrogen

Tags

NGSS.MS-PS1-2

What is the mass of products compared to reactants in a chemical reaction?

• The same
• Less than
• More than
• It depends on the type of reaction

Tags

NGSS.MS-PS1-5

How can we measure pH?

• Using pH test strips
• With a thermometer
• With a balance
• By observing color

A substance with a pH of 1 is considered?

• Highly acidic
• Neutral
• Slightly acidic
• Slightly basic

What pH value is considered neutral?

• 7.0
• 1.0
• 14.0
• 4.0

What happens to the mass in a chemical reaction?

• It stays the same
• It decreases
• It increases
• It is lost

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5