Science Ch 15 Test Flashcards
Susbstances formed from atoms of two or more elements are called
Compounds
This is a heterogeneous mixture in which visible paper tickles settle
Suspension
Freezing, boiling, and evaporation are all examples of
Physical change
According to the ________’, matter is neither created or destroyed during a chemical change
Law of Conservation of Mass
A mixture in which different materials are easily identified is
Heterogeneous
Compounds are made from the atoms of two or more
Elements
Distillation is a process that can separate two liquids using
Physical change
Bending a copper wire is an example of what type property
Physical
Which of the following is NOT an element
Water
Carbon
Oxygen
Hydrogen
Water
What type of substance is gelatin
Colloid
Compound
Substance
Suspension
Colloid
Which of the following is an example of a chemical change
Boiling
Burning
Evaporation
Melting
Burning
A visible sunbeam is an example of which of the following
An element
A solution
A compound
The Tyndall effect
The Tyndall effect
You start to eat potato chips from an open bag you found in your locker and notice it has an unpleasant taste. What do you think might cause this unpleasant taste?
Physical change
Chemical change
Chemical change
How would you classify the color of a rose?
Chemical change
Physical change
Chemical property
Physical property
Physical property
How would you describe the process of evaporating water from seawater?
Chemical change
Physical change
Chemical property
Physical property
Physical change
