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Physical Science Unit Today’s Categories are…

What’s the Matter?

Warmin’ Up and Chillin’ Out!

Mixing It Up!

Off My Property!

Time Off for “Good Conduct”

It’s All Chemical!

Warmin’ Up and Chillin’ Out Time Off for “Good Conduct” What’s the Matter? Mixing It Up! Off My Property! It’s All Chemical! $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500 FINAL JEOPARODY

What is the definition of matter?

Matter is anything that has mass AND takes up space.

Which type of matter is this?

gas

Which type of matter takes the shape of its container but might not fill the container?

liquid

Which type of matter represents the particles that could make up a wooden block?

solid

What is mass?

Mass is the amount of “stuff” in an object.

What is the change of state from a liquid to a gas?

evaporation

What is condensation?

the change of state from a gas to a liquid

What kind of change is the melting of an ice cube?

a physical change

What forms when water vapor in the air cools so quickly that it freezes on surfaces? frost snow sleet rain

frost

When water boils in a pot, the water level in the pot gets lower When water boils in a pot, the water level in the pot gets lower. What happens to the water?

Boiling causes the water to evaporate, or become a gas.

What happens when a solid dissolves in a liquid?

The tiny solid particles become evenly mixed into the liquid.

What are mixtures?

All mixtures are a combination of materials that do not change into new material when mixed.

How can you separate the salt from a cup of salt water?

Allow the salt water to sit until the water evaporates, leaving the salt behind

When matter changes state, the total amount of matter stays the same When matter changes state, the total amount of matter stays the same. What is the name of this principle?

conservation of matter

What property describes the ability of sugar to dissolve in tea?

solubility

What is another name for “observable characteristics” of a material?

properties

Which property is a measure of how resistant a material is to scratching, bending, or denting?

hardness

How can you test the hardness of a material?

do a scratch test

Which property allows you to see your image in a mirror?

reflectivity

What property can be used to pick up steel paper clips from the floor?

magnetism

Name two materials that are good electrical conductors.

copper, gold, silver, or iron

True or false? Metals such as copper tend to be good thermal conductors and good electrical conductors.

True

Which object is a good insulator of electrical and thermal energy? copper penny wooden spoon iron frying pan aluminum foil

wooden spoon

What is the energy of moving particles called?

thermal energy

Which property is affected by the use of electrical insulators? magnetism reflectivity hardness conductivity

conductivity

What happens during a chemical change?

The material and its properties change.

What is the process by which a chemical change occurs?

chemical reaction

Which is a sign of a chemical change?

production of heat, light, odor, flames, bubbles, or color change

What changes occur when a piece of toast is burned?

The bread changes in color and gives off a different odor.

When liquids mix in a glow stick, the total mass of matter increases. True or false? When liquids mix in a glow stick, the total mass of matter increases.

the total matter stays the same False: the total matter stays the same

In ALL chemical reactions, what always occurs? GO TO PROMPT (RESPONSE) Start Timer

New materials and new properties form.