Chemistry Unit 1 Check & Comprehension

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​Properties & Changes in Matter

​As you move through this lesson you will fill in page 2 and half of page 3

Multiple Choice

The law of conservation of energy means ________________________

• Energy CAN be created and destroyed or transformed
• Energy can be used up or transformed
• Energy CANNOT be created or destroyed, only transformed
• Energy cannot be transformed

Categorize

Options (8)

aborbs energy

releases energy released

Enters

Exits

Organize these options into the right categories

Endothermic

Exothermic

Multiple Choice

Exothermic reactions...

• Absorb energy
• Release energy
• Release Color
• Absorb Color

​Physical property a characteristic that can be observed or measured without changing the identity of sample/substance

​Physical change a change in a substance that DOES NOT CHANGE the identity of substance.

Categorize

Options (5)

Mass

White, powdery solid substance.

Reacts with water.

Organize these options into the right categories

Physical Property

NOT a Physical Property (CHEMICAL)

Write these in the column for states of matter

​SOLID

​Particle Arrangement:


Particle Energy:


Shape & volume:


Other:

​LIQUID

​GAS

Open Ended

Compressibility mean to decrease the volume of a substance, essentially squeeze the matter into a smaller space. What do you notice about the particles that you think allows for gases to be compressible?

Multiple Choice

State of matter that takes the shape of it's container and has a definite volume.

• Solid state

• Liquid state

• Gas state

• Plasma state

Multiple Choice

State of matter that can fill containers with no fixed shape or volume.

• Solid state

• Liquid state

• Gas state

• Plasma state

Multiple Choice

The diagram shows the way the particles of a solid occupy space. Select the property of a solid that is consistent with this micro-view.

• Particles are easily compressed.

• Cannot be compressed (squeezed together)

• No definite volume

  (No defined space)

Multiple Choice

State of matter in which materials have a definite shape and volume.

• Solid state

• Liquid state

• Gas state

• Plasma state

Multiple Choice

What change of state is taking place in this photograph?

• Condensation

• Freezing

• Vaporization

• Melting

Multiple Choice

Which change of state occurs when particles in a solid begin to move slowly past each other?

• Melting

• Freezing

• Condensing

• Vaporizing

​Turn to the front page of your notes. The next 7 questions will cover the front page. Use your notes to answer the questions.

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​Writing in notes stops after phase changes.

Multiple Choice

The study of the composition, structure, and properties of matter and the changes it undergoes.

• Chemistry

• Physics

• Biology

• Social Science

Multiple Choice

Which is NOT an example of matter?

• Helium Gas

• Soda

• Gravity

• Pencil

Multiple Choice

All matter is made of the smallest unit of an element. What is all matter made up of?

• energy

• air

• atoms

• cells

Multiple Choice

Which of the following is NOT a compound?

• HCl

• NaCl

• C

• CO₂

Multiple Choice

Which one only has one type of atom making it up?

• Element

• Compound

Match

Match the following terms with the definition/picture

• reflective & shiny

• pulled into thin wire

• carries electric charge

• can be shaped

Lustrous

Ductile

Conductor

Malleable

• Lustrous

• Ductile

• Conductor

• Malleable

Multiple Choice

An object that is dull, brittle, and an insulator is most likely a:

• metalloid
• nonmetal

• metal
• gas