Conservation of Matter

The Law of Conservation of matter states that the total amount of matter ______________ after it undergoes change.

• disappears
• stays the same
• weighs less
• explodes

Tags

NGSS.MS-PS1-5

Matter is anything that

• takes up space and has mass.
• is in our universe.
• is light, sound or ideas.

Tags

NGSS.MS-PS1-5

Matter can undergo two types of changes:

• happy and sad

• physical and chemical

• exploding and folding

An oreo cookie weighs 20 grams. It gets crushed into crumbs for a recipe. How much do its crumbs weigh?

• 15 grams

• 25 grams

• 20 grams

When you put Lego Yoda (10 grams) and R2D2 (10 grams) together, how much do they weigh?

• 20 grams

• 35 grams

• 15 grams

_{Mrs. Roth's tea cup and hot tea weigh 100 grams.  She stirs in 10 grams of sugar. How much is the total amount of matter in Mrs. Roth's tea cup and tea now?}

• 100 grams
• 110 grams
• 90 grams

Tags

NGSS.MS-PS1-5

How much does a 5 gram Hershey's kiss weigh after it is melted in the microwave?

• 5 grams
• 3 grams
• 7 grams

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which side of a chemical equation is the reactant side?

• Left (before the yields sign)
• Right (after the yields sign)

Tags

NGSS.MS-PS1-5

Which side of a chemical equation is the product side?

• Left (before the yields sign)

• Right (after the yields sign)

What is a coefficient?

• The small number on the right of the chemical symbol.
• The large number to the left of a formula.