Changes in Matter Graph

Draw

Circle part of a tree that is undergoing the process of changing matter.

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​

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changes the form or appearance of matter but does not turn any substance in the matter into a different substance.

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Physical change

Chemical change

Emotional change

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A ​

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, such as from a solid to a liquid or from a liquid to a gas, is an example of a ​

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.

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change in state

physical change

change in form

Multiple Select

Which are examples of a physical change?

• broken glass

• melting ice

• burning wood

Multiple Select

Other examples of physical changes include _______, ________, ________ and ________. (hint: 4 answers)

• bending

• crushin

• breaking

• carving

• burning

Poll

The ice sculptor breaks ice and shapes ice, but does he or she cause it to change into another substance?

• yes

• no

Multiple Select

Which are visible changes of chemical changes?

• change in color

• release of smell

• release of light

• take in or give off heat

• change in size

Labeling

The images show different types of chemical changes. Identify the changes in properties and other evidence that a new substance has formed.

Tarnishing is the slow combination of a bright metal, such as silver, with sulfur or another substance, which produces a dark coating on the metal.

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Change in color

Flames

Gas bubbles

Temperature change

Labeling

The images show different types of chemical changes. Identify the changes in properties and other evidence that a new substance has formed.

Oxidation is the combination of a substance with oxygen, as happens when iron rusts.

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Gas bubbles

Temperature change

Change in color

Flames

Labeling

The images show different types of chemical changes. Identify the changes in properties and other evidence that a new substance has formed.

Objects catch fire when a fuel combines rapidly with oxygen, producing heat, light, and new substances.

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Temperature change

Change in color

Gas bubbles

Flames

Labeling

The images show different types of chemical changes. Identify the changes in properties and other evidence that a new substance has formed.

Bubbles are created by using electricity to break a compound down into elements or simpler compounds.

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Change in color

Temperature change

Gas bubbles

Flame

Multiple Choice

Is burning a candle an example of a physical or chemical change?

• chemical change

• physical change

Multiple Choice

How are physical and chemical changes similar?

• They both involve the formation of new substances.
• They both alter matter

• They both involve a change in temperature.

Draw

Count the atoms of each element before and after the chemical change. Fill in the numbers in the appropriate boxes.

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​

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is related to the motion and energy of the particles of matter.

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Temperature

Pressure

Volume

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​

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is the total energy of the motion of all of the particles in an object.

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Thermal Energy

Potential Energy

Kinetic Energy

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Thermal energy naturally flows from ​

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matter to ​

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matter.

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warmer

cooler

liquid

Draw

A polar bear swims in frigid waters of the Arctic, while people relax in a warm geothermal pool in Iceland.

Draw arrows to indicate the direction that thermal energy moves in each image.

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The melting of ice is an ​

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, or a change in which energy is absorbed.

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endothermic change

exothermic change

physical change

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An ​

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occurs when energy is released.

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exothermic change

physical change

endothermic change