Matter

​Study Guide- Unit 3: Matter: Properties and change

​Matter is anything that has mass and takes up space.

The amount of space occupied by a substance is called volume.

​Volume

Mass is the amount of matter an object has

​Mass

​Matter is anything that has mass and takes up space.

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Multiple Choice

Mass is the amount of _______ an object takes up.

• matter

• energy

• liquid

• gas

Multiple Choice

The amount of space occupied by a substance is called

• volume

• matter

• atom

• property

​Atoms make up all matter.

All atoms of the same element have the same properties.

Subject | Subject

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Multiple Choice

All atoms of the same ------- have the same properties.

• element

• water

• liquid

• density

Multiple Choice

An _________ is a substance composed of only one type of atom.

• element

• mixture

• compound

• molecule

Multiple Choice

Atoms of helium have the same properties as atoms of silver.

• True

• False

Multiple Choice

Elements are organized by atomic number on a chart called the Chart of Elements.

• True

• False

Elements are organized by atomic number on a chart called Periodic table.

No fixed volume

No fixed shape

Have Higher energy

Move faster

Characteristics of gas

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Multiple Choice

Particles in each phase of matter behave in the same way.

• True

• False

Multiple Choice

All of the following is a physical property of matter except _________.

• Flammability

• Mass

• weight

• boiling point

​An element is a substance composed of only one type of atom.

​Atomic number

All atoms have smaller parts called subatomic particles: protons, neutrons, and ectrons.
The number of protons an atom has is called its atomic number.

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physical properties

Volume, density, mass, and solubility are physical properties of matter.

Characteristics such as melting point, boiling point, density, solubility, color, odor, etc. are physical properties.

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Multiple Choice

Atomic number is

• number of protons

• number of atoms

• weight of the substance

​States of matter

States refers to the forms in which matter can exist.
There are 3 main states of matter: solids, liquids, and gases.

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When heat energy is added or taken away from a substance, the temperature will change.
Temperature is a measure of how hot or cold an object is.

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​Temparature

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​Effect of temparature on states of matter

Multiple Choice

________ occurs when a substance changes phase from a solid to a liquid.

• Melting

• Heating

• freezing

• evaporation

The boiling point of a substance is the temperature at which it changes from liquid to gas.

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Multiple Choice

_______ occurs when a liquid become a solid.

• Freezing

• Melting

• heating

Multiple Choice

When heat energy is added to a solid, its particles get more excited and move faster until the solid becomes a liquid. This is called ---------.

• melting

• boiling

• freezing

• dissolving

Multiple Choice

The melting point of a solid is 24.9º. As heat is added to melt the solid, what happens to the particles? 

• The particles move farther apart.

• The particles will vibrate slower.

• The particles move closer together. 

Multiple Choice

This diagram shows the particles that make up three different substances. What state of matter does Substance 1 most likely exhibit? 

• solid

• liquid

• gas

• plasma

Multiple Choice

Plastic, wood, and iron are ALL made of

• atoms

• energy

• mass

• liquid

Multiple Choice

Beaker X contains 100g of table salt and beaker Y contains 50g of table salt. How do the contents in beaker Y compare to the those in beaker X?

• Both have the same weight.

• Both have the same solubility.

• Both have different elements.

• Both have different melting points.

Multiple Choice

An ice cube has a mass of 25 grams. The ice cube is placed in a glass and melts. What is TRUE about the ice cube?

•  The melted ice cube has a mass of 15 grams.

• The mass of the ice cube is the same as the mass of the melted cube.  

• The mass of the ice cube is more than the mass of the melted cube.

Multiple Choice

A property of matter that can be measured or observed using the 5 senses.

• Physical property

• Chemical property

Multiple Choice

When heat energy is added to a liquid, its particles move faster and changes from liquid state to becomes gas. This is called ---------.

• vaporization

• freezing

• melting

The boiling point of a substance will not change based on how much of the substance you have.

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Boiling point

Multiple Choice

Sam has two blocks that are the same size.  One block is much heavier than the other block.  What statement is true about the blocks based on this information?

• They have different densities.

• They have different boiling point

Multiple Choice

When particles in a gas lose heat energy and move closer together, the substance becomes a liquid. This is called ----------.

• condensation

• evaporation

• melting

Multiple Choice

If the substance continues to lose heat energy, it may eventually become a solid. This is called --------.

• freezing

• boiling

• melting

The freezing point of a substance is the temperature at which it changes from its liquid state to its solid state.
It is the same temperature as the melting point.

​Freezing point

The melting point of a substance is the temperature at which it changes from its solid state to its liquid state. For water, the melting point is 0° Celsius or 32° Fahrenheit.

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​Melting point

​Melting Point, Freezing Point, and Boiling Point

​Each substance has a specific temperature at which it melts, freeze or boil.

Multiple Choice

Which is an example of a different substance being formed? 

• Wood burning

• glass breaking

• ice melting

Density is a physical property that describes the relationship between mass and volume.

To calculate density, divide mass by volume.​

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​Density

Multiple Choice

Density = Mass/ volume

Density refers to how tightly packed the particles of a substance are.

• True

• False

​Solubility

Solubility is a physical property that refers to the ability of a substance to dissolve in another substance.
The substance that is dissolving is called a solute and the substance that it is dissolving into is called a solvent.

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Multiple Choice

If I dissolve salt in water, what is the solute?

• water

• salt

• salty water

• None

Multiple Choice

When you heat up a solvent, the solvent will dissolve more rapidly.

• True

• False

Solubility

Smaller particles will dissolve more quickly than larger particles.

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