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Does it Really Matter?
Let's Get Physical or Chemical
Metric Mania
Phase Changes
Toss-UP
100
Which state of matter (solid, liquid, or gas) has the most kinetic energy?
What is gas
100
Melting gold and shaping it into a ring
What is physical change
100
What is the SI unit to measure temperature
What is Kelvin
100
Name the phase change from a gas to liquid
What is condensation.
100
A number in formula that tells the number of atoms an element in a compound
What is subscript
200
This state of matter has an indefinite shape and a definite volume
What is liquid
200
Baking bread is an example of what type of property
What is chemical change
200
What is the density of a water that has a mass of 153 grams and a volume of 154.5 mL (use correct unit)
What is .99 g/ml
200
This factor is absorbed or released during a physical change when matter changes state.
What is thermal energy or heat
200
This number is a chemical formula tell you how many molecules of a substance there are
What is co-efficient
300
A change that produces one or more new substances with new chemicals properties
What is chemical change
300
List the three signs of chemical changes
What is color change, gas production, and increase in temperature
300
The units g/ mL and grams per cubic centimeters (g/cm3) are both used to measure this property of a substance.
What is density?
300
Name the phase change from a solid to a gas
What is sublimation
300
How many atoms are in 2C6H12O6 ?
What is 48
400
Name the two pure substances
What are elements and compounds
400
Name 1 example of where you can find a plasma besides the sun.
What is fire, lightning, neon lights, northern lights
400
This is the mass of an object that has a density of 5g/cm3 and a volume of 10 cubic centimeters?
What is 50 grams
400
Explain each shape and volume of the states of matter.
What is solid- def shape and def volume; gas-indef. shape and volume; and liquid- indef. shape and def volume
400
One of the spaces around the nucleus of an atom in which an electron moves
What is energy level
500
At this point a liquid changes to solid
What is freezing point
500
All of the following are physical changes except a.) Cloth burning b.) Water evaporating c.) Plastic melting d.) Popsicles freezing
What is a) cloth burning
500
When PREFIX means 1,000 in the metric system?
What is Kilo
500
A chemical change in which elements are combined or rearranged
What is a chemical reaction
500
Which state of matter (solid, liquid, or gas) has the most kinetic energy?
What is Molecules have motion. As they are heated, they gain more kinetic energy or motion