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Physical Science Semester 1 Review
Test Description: Review Resource
Instructions: Answer all questions to get your test result.
1) ___________ is the application of science for practical purposes.
A
science
B
physics
C
technology
D
chemistry
2) The 1st step to the scientific method is...
A
forming a hypothesis
B
forming a question
C
observing
D
writing a conclusion
3) ______________ is the measure of gravitational force exerted on an object.
A
weight
B
kilograms
C
volume
D
mass
4) _______________ is the measure of a straight-line distance between two points.
A
width
B
length
C
volume
D
mass
5) A(n) _________ is a factor that changes in an experiment in order to test a hypothesis.
A
volume
B
variable
C
factor
D
scientific method
6) ____________ is the capacity to do work.
A
Power
B
Work
C
Force
D
Energy
7) What happens to energy when ice melts to form water?
A
it is created
B
it is released
C
it is absorbed
D
it is destroyed
8) What determines the speed of particles within a particular substance?
A
weight and mass
B
speed and temperature
C
size and temperature
D
mass and speed
9) What state of matter has definite shape and definite volume?
A
solid
B
plasma
C
liquid
D
gas
10) The kinetic energy of a substance is also known as ___________ energy.
A
temperature
B
potential
C
movement
D
thermal
11) The nonsolid state of matter is which the atoms/molecules are free to move past one another is called ____________.
A
liquids
B
solids
C
fluids
D
gases
12) What is the SI unit for pressure?
A
N
B
mL
C
Pa
D
kg
13) What is the density of a substance that has a mass of 15.6 g and and a volume of 5.8 mL?
A
0.4 g/mL
B
2.7 g/mL
C
90.5 g/mL
D
9.8 g/mL
14) _______________ states that the pressure of a gas at a constant volume increases as its temperature increases.
A
Archimedes' Principle
B
Gay-Lussac's Law
C
Boyle's Law
D
Charles's Law
15) Write the following number in scientific notation: 0.00008675
A
0.8675 x 10^4
B
8.675 x 10^5
C
8.675 x10^-5
D
8675 x 10^-8
16) A(n)___________ is a group of atoms that are held together by chemical forces.
A
element
B
compound
C
atom
D
molecule
17) A _____________ change occurs when a substance changes composition by forming one or more new substances.
A
chemical
B
exothermic
C
physical
D
endothermic
18) The smallest unit of an element that maintains the properties of that element is called a(n) ___________.
A
compound
B
chemical formula
C
molecule
D
atom
19) A material that can be represented by a chemical formula is a(n) _____________.
A
element
B
compound
C
molecule
D
pure substance
20) ____________ is the measure of the amount of matter in a substance.
A
Volume
B
Weight
C
Force
D
Mass
*select an answer for all questions
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