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Compounds and Mixtures
Volume and Density
Physical and Chemical Change
Energy and Matter
Definitions
100
What is the ratio of carbon to oxygen in the chemical formula for carbon dioxide? CO/2
What is 1 to 2?
100
What is the volume of a brick that has the width of 5 ft., the length of 8 ft., and the height of 3 ft. ?
What is 120ft. cubed?
100
Is any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance.
What is physical change?
100
True or false? Thermal energy is a form of energy related to changes in matter.
What is True?
100
Relates the mass of a material in a given volume.
What is density?
200
A pure substance made of two or more elements chemically combined in a set ratio
What is a compound?
200
What is the volume of a brick that has the width of 3ft., the length of 10ft., and the height of 4ft. ?
What is 120ft. cubed?
200
True or False? Unlike chemical change, a physical change produces new substances with properties different from those of the original substances.
What is FALSE?
200
Is the energy of matter in motion.
What is kinetic energy?
200
A type of mixture that is so evenly mixed that you can not see the different parts.
What is a homogeneous mixture?
300
Is made of two or more substances that are together but not chemically combined.
What is a Mixture?
300
What is the density of an object with the mass of 14g and the volume of 7cm cubed?
2 g/cm cubed
300
Combustion, electrolysis, oxidation, and tarnishing are all examples of what?
What is Chemical Change?
300
Is the energy an object has because of its position.
What is Potential Energy?
300
To measure the properties of matter, scientists use a system called the __________?
What is the International System of Units?
400
True or False? Each substance in a mixture does not keep its individual properties.
What is False?
400
If an object has the density of 5 g/cm cubed, and the mass of 20 g. What is the volume?
What is 4 cm cubed?
400
A substance that undergoes ________ is still the same substance after the change.
What is physical change?
400
True of False? During a chemical change, chemical energy may be changed to other forms of energy.
What is True?
400
Is a pure substance that cannot be broken down into any other substances by chemical or physical means.
What is an element?
500
A solution is an example of what kind of mixture?
What is a homogeneous mixture?
500
How many milliliters equals one liter?
What is 1000 mL?
500
The burning of wood is an example of what type of change?
What is chemical change?
500
Near the top of a roller coaster track, a slow moving car has more potential or kinetic energy?
What is Potential Energy?
500
Is the energy of electrically charged particles moving from one place to another.
What is Electrical energy?