Law of Conservation of Mass

Does this picture accurately show the Law of Conservation of Mass?

• Yes

• No

Tags

NGSS.5-PS1-2

How many grams of OXYGEN would be needed to show conservation of mass in the example below?

• 100 g

• 93 g

• 7 g

• 0 g

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NGSS.5-PS1-2

How many grams of coal were present at the start of the chemical change?

• Unknown

• 100 g

• 200 g

• 50 g

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NGSS.5-PS1-2

How many grams of CHOCOLATE POWDER are shown in the example of conservation of mass below?

• 450 g

• 465 g

• 0 g

• 15 g

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NGSS.5-PS1-2

How many grams of LIQUID WATER are shown in the example of conservation of mass?

• 0 g

• 50 g

• 100 g

• 200 g

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NGSS.5-PS1-2

How many grams of SLICED APPLE are shown in the example of conservation of mass?

• 230 g

• 235 g

• 115 g

• 0 g

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NGSS.5-PS1-2

Mass is neither created nor ______________.

• made

• destroyed

• changed

Tags

NGSS.5-PS1-2

True or False: The mass of the reactants is equal to the mass of the products?

• True

• False

Tags

NGSS.5-PS1-2

How many kilograms of SMOKE are shown in the example of conservation of mass?

• 1 kg

• 30 kg

• 28 kg

• 3 kg

Tags

NGSS.5-PS1-2

True or False: This picture shows that during most chemical reactions the amount of mass in system stays the same?

• True

• False

Tags

NGSS.5-PS1-2