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WorksheetsUnit 2 Test
Total questions: 37
Worksheet time: 26mins
What is this chart called?
Periodic Table
Chart of Elements
Elemental Guide
Periodic Elements Chart
What makes elements special?
their color
their size
their smell
they can not be broken down into any simpler element
The smallest piece of a compound that still has the properties of that compound is a(n)
Example: ONE water ___________
element
atom
mixture
molecule
How many ATOMS of oxygen are in CO2
1
2
0
not enough information
How many ATOMS of hydrogen are in NaOH
1
2
0
not enough information
The definition of density is
the amount of liquid in a solid
the amount of mass in a certain volume
the amount of volume in a certain mass
the amount of gas in a solid container
This state of matter has particles moving the slowest
solid
liquid
gas
plasma
This state of mater has indefinite shape, but a definite volume
solid
liquid
gas
plasma
Iron Rusting
Physical Change
Chemical Change
Burning a piece of wood
physical change
chemical change
Salt dissolving in water
Physical Change
Chemical Change
Food Rotting
Physical Change
Chemical Change
Water freezing to ice
Physical Change
Chemical Change
Crumbling a piece of paper
physical change
chemical change
Water (H2O)
Mixture
Pure Substance
Any element (for example, Hydrogen)
mixture
pure substance
lemonade
mixture
purse substance
apple juice
mixture
pure substance
Orange juice WITH pulp
homogeneous
heterogeneous
Plain vanilla ice cream
Heterogeneous
Homogeneous
Ice tea (from a powdered mix, completely stirred)
homogenous
heterogeneous
Oatmeal raisin cookie
homogenous
heterogeneous
Water freezing to form ice
exothermic
endothermic
water evaporating to form steam
exothermic
endothermic
Dry ice turning from a solid directly into a gas
exothermic
endothermic
steam condensing to form a liquid
exothermic
endothermic
The measure of how fast the particles in a substance are moving
temperature
heat
energy
pressure
What is a simple definition of specific heat
how fast an object can change temperature
how hot an object can get
how much energy an object has
exactly how much heat an object has
Does a metal have high or low specific heat
high
low
The units used to measure energy are
J
kg
g/kl
j/kg/k
Most commonly used around the world
Kelvin
Celsius
Fahrenheit
Used by scientists in extremely cold temperatures
Kelvin
Celsius
Fahrenheit
What we use in America
Kelvin
Celsius
Fahrenheit
Kaitlyn says that the freezing point of water in Kelvin is 32 . Is she correct? Explain.
Kevin remembers that the boiling point of water in Fahrenheit is 212 degrees, but can not remember what is is in Celsius and Kelvin. HELP KEVIN!
How do you feel about the material we learned in Unit 2
I have no idea what will be on this test
I understand some of what we talked about
I understand most of what we talked about, but can not always explain why
I can teach this to a classmate!
What do you need to study most?
