7th-T1 L1: Describing & Classifying Matter

Worksheet on slide #44. Print for students to work on when lesson gets to slide #44.



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Labelling

Several substances are shown in Figure 1. Two of the substances are in two different forms. Name these substances and each of their forms.

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fire

vapor

water

Dropdown

​

Select answer

is anything that has mass and takes up space.

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Some matter is ​

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, and some is not. Some are in liquid form and others are ​

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.

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visible

solid

invisible

gas

Multiple Choice

A ___________ is a single kind of matter that always has a specific makeup, or composition.

• Compound
• Substance
• Mixture

Multiple Choice

Which is an example of a substance?

• table salt

• sea salt

• water

Multiple Select

Which are some examples of physical properties that can be used to classify an item?

• color

• mass

• size

• heat

• flexibility

Word Cloud

What are some of the physical properties you can name?

Dropdown

A ​

Select answer

is a characteristic that can be observed without changing the matter into another type of matter.

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​

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are characteristics that describe the ability of a substance to become something else.

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Chemical properties

Physical properties

Biological properties

Multiple Select

Identify whether physical or chemical properties are being described.

Oxygen is a substance that dissolves in water. Fish absorb oxygen from the water. When dissolved oxygen levels are low, it can be hard for organisms to survive.
(hint: 2 answer)

• physical property

• chemical property

• oxygen dissolves but doesn't change

• oxygen dissolves and changes

Multiple Select

Identify whether physical or chemical properties are being described.

Water and carbon dioxide in the leaves of the coconut palm tree are converted to oxygen and sugar, thanks to the energy provided by the sun. (hint: 2 answer)

• physical change

• chemical change

• substances are converted to other substances

• substances are not c

Multiple Select

Identify whether physical or chemical properties are being described.

If iron is exposed to air and water, it can rust. (hint: 2 answer)

• physical property

• chemical property

• iron changes into rust when exposed to air/water

• iron does not rust or change

Multiple Select

Identify whether physical or chemical properties are being described.

Wood tends to be hard and relatively inflexible, especially when it’s been dried. This is why wood is an excellent building material.

• physical property

• chemical property

• wood changes into another substance

• wood does not change

Multiple Select

How are properties classified? (hint: 2 answer)

• chemical change

• physical change

• location

Multiple Choice

Why is melting a physical property, but burning is a chemical property?

• Melting involves the release of gas, while burning does not.
• Melting changes the chemical composition, while burning does not.
• Melting changes the state of a substance, but burning changes the substance by producing a new one

Multiple Select

How do physical properties compare to chemical properties? (hint: 2 answers)

• Physical properties leave the matter as it is

• chemical properties

  describe how matter can become something else

• physical properties change the substance

• Chemical properties do not change the substance

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An ​

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is the basic unit from which all matter is made.

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atom

molecule

cell

Dropdown

​

Select answer

are substances that are made up of only one type of atom.

Match

Match the following

aluminum

gold

oxygen

helium

• aluminum

• gold

• oxygen

• helium

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A ​

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is a group of two or more atoms held together by chemical bonds.

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molecule

atom

element

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A molecule of ​

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is made up of a carbon atom chemically bonded to two oxygen atoms. 

Two atoms of the ​

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element can also combine to form a ​

Placeholder

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carbon dioxide

same

carbonate

different

molecule

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A ​

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is when a molecule contains more than one element.

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compound

molecule

atom

Multiple Choice

Which are examples of compounds?

• Oxygen, nitrogen, helium
• Iron, copper, gold
• Water, carbon dioxide, sodium chloride

7th-T1 L1 Classifying Matter - Nuts and Bolts and Answer KEY.pdf - Google Drive

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Drag and Drop

A ​

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is made up of two or more substances that are together in the same place, but their atoms are not chemically bonded.

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mixture

compound

element

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A ​

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is a liquid example of a homogeneous mixture. ​

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is an example of a solution.

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solution

Salt water

mixture

compound

Match

Match the following

distillation

evaporation

filtration

magnetic attraction

• distillation

• evaporation

• filtration

• magnetic attraction

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​

Placeholder

involves separating liquids by boiling them.

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Distillation

Filtration

Evaporation

Multiple Select

 The methods you can use to separate the parts of a mixture include.....(hint: 4 answers)

• distillation

• evaporation

• filtration

• magnetic attraction

• mixture