NGSS.5-PS1-2

Measures Mass

• Thermometer
• Balance
• Telescope
• Hand Lens

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NGSS.5-PS1-2

On a hot summer day chocolate candy can melt in your pocket.  How can you get the chocolate to return to a solid?

• add heat
• leave it in your pocket
• cool it in the refrigerator
• leave it outside

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NGSS.5-PS1-2

NGSS.4-PS3-2

200g of water was added to a pot weighing 400 grams. Next, 3 glasses each weighing 100g. Lastly, a 100g air tight lid was placed on top and the water boiled for 10 minutes. What was the total mass of the pot after it boiled?

• 1,000 grams
• 10 kilograms
• 900 grams
• 200 grams

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NGSS.5-PS1-2

When changing states, the overall _____________ does not change

• mass

• temperature

• created

• object

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What happens to the weight of matter when it undergoes a physcial change?

• It stays the same

• It increases

• It decreases

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NGSS.5-PS1-2

The ability of matter to change when heated is a _____________.

• Chemical

• Physical

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NGSS.5-PS1-2

The Law of Conservation of Mass States

• Energy cannot be created nor destroyed, it can only change form.

• Mass cannot be created nor destroyed, it can only change form.

• Mass can be created or destroyed, it cannot change form.

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NGSS.5-PS1-2

LaToya is making hot chocolate. She pours the hot chocolate powder into a glass of milk, mixes it, and then heats it up in the microwave. LaToya claims that since she can no longer see the powder after it has been mixed, it must no longer be there. Which of the following would not support LaToya’s claim, and instead, show that the powder is still in the mixture?

• The weight of the powder plus the weight of the milk is less than the weight of the mixture.

• The weight of the powder plus the weight of the milk is more than the weight of the mixture.

• The weight of the milk is equal to the weight of the mixture.

• The weight of the powder plus the weight of milk is equal to the weight of the mixture.

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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

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NGSS.5-PS1-2

Luke creates a model to observe the water cycle. He pours water into a clear container and closes the container and weighs it. Two days later, Luke observes about half of the water has evaporated and water droplets have formed on the sides of the container. Which is the weight of the container?

• The container weighs the same as it did 2 days ago.
• The container weighs much less than it did 2 days ago.
• The container weighs half as much as it did 2 days ago.

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NGSS.5-PS1-2