7th-T2 L1: States of Matter

Draw

How many solids, liquids, and gases can you find in this picture? Label the solids with an S, liquids with an L, and gases with a G.

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​

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exists in different forms, depending on a variety of factors, such as temperature.

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Matter

Energy

Space

Labelling

What are the three different states of matter?

Drag labels to their correct position on the image

energy

liquid

solid

gas

Dropdown

A ​

Select answer

has a definite shape and a definite volume.

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A ​

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maintains its shape and ​

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in any position or container.

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solid

volume

liquid

transparent

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The ​

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that make up a ​

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are packed very closely together.

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particles

solid

liquid

empty

Multiple Choice

The particles in a solid are closely locked in position so that they ________move around one another on their own.

• cannot

• can

Multiple Choice

• The particles in a solid can only ________ in place, meaning they move back and forth slightly.

• expand
• rotate
• vibrate

Multiple Choice

True or false: All solids are the same.

• true

• false

Multiple Select

• Not all solids are the same. Some are.....? (hint: 3 answers)

• hard/flexible

• smooth/sharp

• heavy/light

• liquid/gas

Word Cloud

People at a packed concert don’t move very far, but if they’re having fun, they’re not standing still, either! These people dancing in place are a lot like particles vibrating in a solid.

Think about the motion of the particles in a solid and come up with your own way of describing them.

Open Ended

Write down the differences that you notice in shape, structure, and texture between the quartz and the eraser.

Draw

A pat of butter is an amorphous solid. The particles that make up the butter are not arranged in a regular pattern. The sapphire gem stones are crystalline solids. Draw what you think the particles look like in a crystalline solid.

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​

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that are made up of crystals are called ​

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crystalline solids.

Solids

Liquid

Multiple Select

• ________, ________, and ________ are examples of crystalline solids.

• salt

• sugar

• snow

• liquids

Multiple Choice

What do crystalline and amorphous solid shave in common? 

• Definite shape but not volume
• No definite volume or shape
• They have a definite shape and a

  definite volume

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A ​

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has a definite volume but no shape of its own.

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liquid

gas

solid

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The particles in a ​

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are ​

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in contact with one another but ​

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fixed in place.

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liquid

always

are not

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A liquid is also called a ​

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, meaning a “substance that flows.”

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fluid

solid

gas

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A liquid has ​

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but, it does have a ​

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.

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no definite shape

definite volume

no definite volume

Multiple Choice

When the water spilled, what changed: its shape or its volume?

• shape

• volume

Multiple Choice

What is a liquid?

• A liquid has both a definite volume and shape.

• A liquid has no volume or shape.

• Liquids have definite vol-ume but no shape of its own

Multiple Choice

How are particles in liquids different from particles in solids? 

• Particles in liquids cannot move around like particles in solids.

• Particles in liquids can move around one another; in solids, they are in a fixed

  place

• Particles in liquids and solids have the same amount of movement.

Multiple Select

• What are the two major characteristic properties of liquids? (hint: 2 answers)

• • surface tension

• viscosity

• fluid

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​

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is an inward force, or pull, among the molecules in a liquid that brings the molecules on the surface closer together.

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Surface tension

Gravity

Friction

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​

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is the resistance to flowing.

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Gravity

Friction

Viscosity

Multiple Choice

Honey flows slowly compared to many other liquids. Does it have more or less viscosity than water?

• more

• less

Match

Match the following

• Means liquids can flow easily

• Means liquids cannot flow easily

• Means liquids can break apart more easily

• Means liquids cannot be broken apart easily

Low Viscosity

High Viscosity

Low Surface Tension

High Surface Tensions

• Low Viscosity

• High Viscosity

• Low Surface Tension

• High Surface Tensions

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​

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has neither a definite shape nor a definite volume.

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Gas

Liquid

Solid

Multiple Choice

 Particles in a gas _________ remain in contact with one another.

• do not

• do