WorksheetsComposition of Matter
Total questions: 30
Worksheet time: 30mins
Substances formed from atoms of two or more elements are called
mixtures
compounds
colloids
elements
A heterogeneous mixture in which visible particles settle is called a
colloid
solution
suspension
Tyndall effect
Freezing, boiling, and evaporation are all examples of _______.
physical change
chemical change
According to the ______________, matter is neither created nor destroyed during a chemical change.
Tyndall effect
law of conservation of mass
law of mass
chemical property law
A mixture in which different materials are easily identified is a _________.
homogeneous mixture
heterogeneous mixture
Compounds are made from the atoms of two or more ______.
elements
colloids
substances
solutions
Distillation is a process that can separate two liquids using _________.
chemical change
physical change
Tyndall effect
law of conservation of mass
Bending a copper wire is an example of what type of property?
chemical
physical
conservation
element
which of the following is an example of a chemical change?
boiling
evaporation
burning
melting
What type of substance is gelatin?
colloid
compound
substance
suspension
A visible sunbeam is an example of which of the following?
an element
a suspension
a solution
the Tyndall effect
You start to eat some potato chips from an open bag you found in your backpack and notice they taste unpleasant. What do you think might cause this unpleasant taste?
combustion
chemical change
physical change
melting
How would you classify the color of a rose?
chemical change
chemical property
physical change
physical property
How would you describe the process of evaporating water from seawater?
chemical change
chemical property
physical change
physical property
Sharpening a pencil is an example of _____.
chemical change
chemical property
physical change
physical property
The formation of water when hydrogen burns is an example of ______.
chemical change
chemical property
physical change
physical property
Which of these warning refers to a chemical property of the material?
fragile
flammable
handle with care
shake well
Which of the following is a substance?
colloid
mixture
element
solution
A soda is an example of _____.
homogeneous mixture
heterogeneous mixture
colloid
suspension
Copper is an example of _______.
an element
a compound
a colloid
a suspension
A river delta is an example of _____.
a colloid
an element
a suspension
a homogeneous mixtue
A _______ is a homogeneous mixture of particles so small they cannot be seen and will not settle to the bottom of their container.
colloid
solution
element
compound
All substances are build from _______.
elements
atoms
metal
salt
All substances are build from _______.
elements
atoms
metal
salt
Which of the following are physical properties?
color
shape
flammable
melting point
light-sensitivity
Which of the following are physical changes?
cutting paper
rotten food
burning logs
melting ice
Which of the following are chemical changes?
roasting a marshmallow
rust on a metal fence
boiling water
burning logs
cutting paper
When gasoline is burned in an engine, ______.
gasoline evaporates
new substances are formed
mass is lost
mass is gained
Weathering is caused by _____.
physical change
chemical change
the conservation of mass
the Tyndall effect
According the the graph, which element makes up greater than 50% of the elements dissolved in seawater?
sodium
sulfur
magnesium
chlorine
