9th Grade Science Honors
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This is a quiz i needed to make in order to study. You should take it also!
- 1.Define a physical change and give an example.
- 2.Define viscosity, conductivity, and malleability.
- 3.The formula for Mass is
- A.
M = D x V
- B.
M = D/V
- C.
M = V/D
- 4.Why are elements and compounds classified as pure substances?
- 5.How do mixtures differ from pure substances?
- 6.A colloid is_____.
- A.
Can filter, cannot scatter light, particles are small
- B.
Large particles, cannot filter, separates into layers
- C.
Particles are intermediate in size, scatter light, and cannot filter
- 7.A suspension is _______.
- A.
A heterogeneous mixture, can filter, and separates into layers.
- B.
A homogeneous mixture, can filter, and separates into layers.
- C.
A heterogeneous mixture, cannot filter, separates into layers.
- 8.A solution is __________.
- A.
Homogeneous mixture, small particles, cannot separate, can be filtered, can see through it
- B.
Homogeneous mixture, small particles, cannot separate or be filtered, and is transparent or see through.
- C.
Heterogeneous mixture, small particles, cannot be separated or filtered, is transparent
- 9.What Swedish chemist suggested the elements to be represented with symbols in the year 1813?
- A.
Johann Shvagen
- B.
Jons Brouel
- C.
Johann Berpolis
- D.
Jons Berzelis
- 10.The properties of a compound are the same as the substances that make it up.
- A.
True
- B.
False
- 11.What properties do you use to separate mixtures?
- A.
Filtration and distillation
- B.
Distillation and dehydration
- C.
Filtration and dehydration
- 12.Density is ________.
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