Lesson 1.5 Can you burn metal? - Clare Peters-Libeu | Library

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1

What do you think? How will the mass before the fire compare to the mass after the fire?

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1

The mass of the empty beaker is _______ grams.

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1

The mass of the beaker filled with steel wool is _______ grams.

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1

The mass of the beaker and contents after the reaction is _______  grams.

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1

How did the mass of the beaker and its contents change?

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1

Use the drawing tools to draw particle diagrams to show how the iron and oxygen atoms are arranged in each substance. Be sure to use different colors for each element.

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3

Write a caption for your completed diagram that explains why the mass of the container increases when the steel wool is burned. Be sure to use the words: atom, compound, gas and solid in your answer.

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7

At the start:
The iron is a __________ . The atoms are packed ____________ together. They can vibrate but ________ move about.
The oxygen is a ________. The particles are very ___________ . The oxygen can ___________ enter or leave the ___________ .

Other Answer Choices:

closely

beaker

easily

not

gas

mobile

solid

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12

At the end:
The iron and oxygen have ____________ to form ___________________ which is a __________   . It contains both ___________ and iron. The _______________ together with the remaining _________weigh _________ than at the start. The _________ increases because _________ the iron atoms are still in the solid. The reaction has added ___________ atoms to the solid. At the end of the reaction, there are _________atoms in the container than at the start. 