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WorksheetsChemical vs Physical + types of matter
Total questions: 19
Worksheet time: 24mins
Melting a metal spoon made of Gallium is a physical change because a puddle of _____ metal is left afterwards.
iron
steel
aluminum
gallium
Hard-boiled eggs are the a result of a chemical change because
the eggs are the same size before vs after.
the eggs have different properties (smell, taste, color) before vs after.
the eggs weigh the same before vs after.
the eggs went through a phase change.
Blending together ingredients into a smoothie is what kind of change?
chemical change
physical change
both types of changes
none of these
A copper penny turning green after a few years is an example of ...
Chemical Change
Physical Change
Which of the following is NOT a sign that a chemical change has occurred?
Formation of a gas (bubbles)
Color change
Phase change
Produces light or heat
Changes between states of matter (solids, liquids, etc.) are often which?
chemical changes
physical changes
both
neither
Which is an example of a container filled with a pure substance?
a glass of iced tea
a bucket of salt water
a tire filled with air
a balloon filled with helium
What type of substance is pictured?
element
compound
mixture
solution
What type of substance is pictured?
element
compound
mixture
Matter that is composed of one type of atom is ...
an element
a compound
a molecule
a mixture
a mixture that appears the same throughout is...
homogeneous
heterogeneous
Mixtures can be divided into what categories? (choose two)
Heterogeneous [ having visibly distinguishable parts]
Homogeneous [having visibly indistinguishable parts]
Element [only 1 type of symbol]
Compound [ more than 1 element like H2O]
Jar of jellybeans is an example of a
Heterogeneous Mixture [ having visibly distinguishable parts]
Homogeneous Mixture [having visibly indistinguishable parts
Element Pure substance [only 1 type of symbol]
Compound Pure substance [ more than 1 element like Co2]
