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WorksheetsMatter Review
Total questions: 100
Worksheet time: 59mins
Nitrogen chemically combines with hydrogen to make a new substance. This substance is
an element
a compound
a mixture
your best friend
Oxidation is an example of
cool science stuff
a physical property
a chemical property
a financial property
What describes how much matter is in an object?
volume
density
mass
weight
Two or more substances that are together but NOT chemically combined is a
element
compound
mixture
enigma
Which of the following is a compound?
Nh
NH3
N
Ni
The way an element reflects light is it's
glow up
luster
malleability
density
Rolling up a burrito in foil shows that Aluminum is
malleable
lustrous
very dense
brittle
_________ are the basic units of matter that make up everything.
molecules
atoms
pure substances
legos
In a solid, the molecules
are widely spaced, move quickly (high energy), no definite volume or shape.
are closely spaced, vibrate in place, definite volume and definite shape.
are spread wider apart, in constant contact, medium amount of energy, have a definite volume but no definite shape.
In a liquid, the molecules
are widely spaced, move quickly (high energy), no definite volume or shape.
are closely spaced, vibrate in place, definite volume and definite shape.
are spread wider apart, in constant contact, medium amount of energy, have a definitevolume but no definite shape.
In a gas, the molecules
are widely spaced, move quickly (high energy), no definite volume or shape.
are closely spaced, vibrate in place, definite volume and definite shape.
are spread wider apart, in constant contact, medium amount of energy, have a definite volume but no definite shape.
In order for a solid to melt, or change into a liquid, thermal (heat) energy must ___________.
increase
decrease
stay the same
The density of castor oil is 0.969 g/mL. Does castor oil float on water?
No, because the density is less than that of water.
Yes, it has neutral buoyancy.
Yes, because the density is less than that of water.
No, it dissolves.
Why is density considered an important characteristic in identifying elements?
d. Density is measured in cm3/g.
c. Density equals volume/mass.
b. Each element has its own unique density.
a. All elements have the same density.
A pure substance that cannot be broken down into any other substance by chemical or physical means.
compound
mixture
molecule
element
Chemical changes occur when molecules of one substance are rearranged to form a different substance. Which of the following is a chemical change?
bending
burning
freezing
shredding
Chellie is picking tomatoes from her garden. She finds a tomato on the ground that is soft and runny. Which sentence best describes what happened to the tomato?
The tomato decayed, which is a chemical change
The tomato moved, which is a chemical change
The tomato deflated like a flat tire, which is a physical change
The tomato ignited like a firecracker, which is a chemical change
Water changes states when energy is added or taken away. What happens to liquid water when it is boiled?
It melts into a gas
It freezes into a solid
It evaporates into a gas
It condenses into a solid
Which of the following are examples of compounds?
Oxygen
Carbon
Salt
Water
Helium
What causes matter to change from a liquid to a gas?
Cooling the liquid
Pouring the liquid out
Heating the liquid
Freezing the liquid
Which of the following is not a compound?
NaCl
H2O
He
CO2
What compound is formed when the elements Na(sodium) and Cl (Chloride) are combined?
Table Salt
Carbon Dioxide
Water
Oxygen
If you combine sand and iron fillings in a cup, it forms a -
molecule
mixture
solution
atom
If you dissolve sugar in water, it becomes a -
compound
solid
element
solution
What would be the best and fastest way to separate the sugar out of a sugar-water mixture?
Remove the sugar with a syringe
Freeze the mixture
Boil the mixture
Put the mixture on the window sill
a nail rusting
Lucky Charms
Heterogeneous
Homogeneous
Dirt
Heterogeneous
Homogeneous
Sausage and mushroom pizza
Heterogeneous
Homogeneous
Blood
Heterogeneous
Homogeneous
Brass (an alloy)
Heterogeneous
Homogeneous
Chicken noodle soup
Heterogeneous
Homogeneous
Jello
Heterogeneous
Homogeneous
Fruit salad
Heterogeneous
Homogeneous
Kool-Aid
Heterogeneous
Homogeneous
Glue
Heterogeneous
Homogeneous
Chocolate chip ice cream
Heterogeneous
Homogeneous
What kind of physical property is this? Color
intensive
extensive
What kind of physical property is this? Hardness
intensive
extensive
What kind of physical property is this? Density
intensive
extensive
What kind of physical property is this? Odor
intensive
extensive
What kind of physical property is this? Boiling Point
intensive
extensive
What kind of physical property is this? Volume
intensive
extensive
What kind of physical property is this? Mass
intensive
extensive
What kind of physical property is this? Melting Point
intensive
extensive
Heat content
Extensive
Intensive
Malleability
Intensive
Extensive
Conductivity
Intensive
Extensive
Ductility
Intensive
Extensive
Weight
Intensive
Extensive
How shiny a substance is.
Luster
Conductivity
Hardness
Volume
