The Law of Conservation of Mass Review

A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...

• 250 grams

• 375 grams

• 400 grams

• 380 grams

Tags

NGSS.MS-PS1-5

Mass can not be created or destroyed it can only be....

• Destroyed a little

• Transformed

• invisible

• None of the Above

Tags

NGSS.MS-PS1-5

Whats an example of a PHYSICAL change?

• Cutting Paper

• Mixing Vinegar with Baking Soda

• Roasting a marshmallow over a fire

• Rotting apple

Whats an example of a PHYSICAL Change?

• Baking a cake

• Rotting Banana

• Burning wood

• Melting ice then refreezing it

Tags

NGSS.MS-PS1-4

What is an example of a CHEMICAL change?

• Melting then refreezing ice

• Burning wood

• Cutting paper

• Melting butter

Tags

NGSS.MS-PS1-2

What is an example of a CHEMICAL change?

• Rotting Food

• Cutting Paper

• Mixing Red and Yellow Marbles

• Breaking a Glass

Tags

NGSS.MS-PS1-2

The Law of Conservation of Mass states that?

• Mass can only be created in a physical change

• Mass can only be created in a chemical change

• Mass can't be created or destroyed

• Mass is different for each chemical reaction

Tags

NGSS.MS-PS1-5

How many Sulfer (S) atoms are in Pb(SO₄)₂

• 1

• 0

• 4

• 2

Tags

NGSS.MS-PS1-1

How many Oxygen (O) are in Pb(SO₄)₂

• 4

• 8

• 2

• 1

Tags

NGSS.MS-PS1-1

How many Sodium (Na) are present in NaHCO₃

• 0

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1