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Think About It!
Elements, Compounds, and Mixtures
Physical and Chemical Properties
Changes in Matter
Remember Me?
100

A cube has a volume of 10cm3 and a mass of 30.0 grams. The density of the cube in grams per cubic centimeter

What is 3.0 g/cm3?

100

This is the smallest particles of an element that has the properties of that element

What is an atom?

100

Name the two indicators of a chemical change.

What are color change, bubbles, temperature change?

100
Matter goes through this when it changes the way it looks without becoming a new kind of matter.
What is physical change?
100

An element that is shiny and that conducts heat and electric current well

What is a metal?

200

Is a melted popsicle an example of a physical change? Explain.

What is YES? You can melt and refreeze a popsicle and it will still be a popsicle.

200
This type of matter is made up of a single type of particle.
What is an element?
200

Average kinetic energy of the particles in a sample of matter

What is temperature?

200
This is made up of two or more kinds of matter that can be separated out.
What is a mixture?
200

Matter cannot be created or destroyed, it merely changes form is known as

What is the Law of Conservation of Matter?

300

True or False. Turning peanuts to peanut butter is an chemical change. Explain.

What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created.

300

Elements CAN or CANNOT be changed into simpler substances

What is CANNOT?

300

A substances ability to dissolve into another substance

What is solubility?

300
When a substance dissolves in another substance it is called this.
What is a solution?
300

These elements tend to be brittle and dull in color

What are nonmetals?

400

The two sample that could consist of the same substance

Sample      Mass      Volume

A               80           100

B               20          40

C               50          100

D               10           60

What is B and C?

400

Pure substances made of more than one element

What is a compound?

400

The ability of matter to be hammered into a thin shape Ex: aluminum foil

What is malleable/malleability?

400
One kind of matter changes into another when this happens.
What is a chemical change?
400

The formula for calculating the density of an object

What is Density=mass/volume or D=m/V?

500

You use these to help you identify the physical properties

What is your FIVE SENSES?

500

2 or more elements ______ combined form a compound

What is chemically?

500

Picture a glass of lemonade (made from powdered mix). Which is the solute and which is the solvent?

What is powdered mix-solute and water-solvent?

500

Soda, wine, and juice are great examples of

What is a homogeneous mixture?

500

Elements that have properties of both metals and nonmetals

What are metalloids?