Career Investigations
Self Study Quizzes
Crossword Puzzles
Career Investigations
Self Study Quizzes
Crossword Puzzles
Chapters 01 - 05
Chapters 06 - 11
Chapters 12 - 17
Chapters 18 - 22
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Career Investigations
Self Study Quizzes
Crossword Puzzles
Chapters 01 - 05
Chapters 06 - 11
Chapters 12 - 17
Chapters 18 - 22
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Career Investigations
Self Study Quizzes
Crossword Puzzles
Chapters 01 - 05
Chapters 06 - 11
Chapters 12 - 17
Chapters 18 - 22
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Lesson Plans
Answer Key for Career Investigations
WebQuests
Technology Education Links
Interactive Explorations
Chapter 20:
Applied Physics
1.
Motion involves
a.
force.
b.
friction.
c.
gravity.
d.
all of the above.
2.
The force that acts in the direction opposite the direction of the motion is
a.
gravity.
b.
friction.
c.
energy.
d.
pressure.
3.
The minimum speed at which an object must travel to escape Earth's gravitational pull is
a.
equal to or greater than the object's weight.
b.
the escape velocity.
c.
40,000 km/h.
d.
both b and c.
4.
Which of the following is
not
one of Newton's laws of motion?
a.
For every action, there is an equal and opposite reaction.
b.
Objects move only when a force is applied to them.
c.
An object at rest will stay at rest, and an object in motion will stay in motion.
d.
The rate at which an object moves depends on the size of the unbalanced force acting on it and the mass of the object.
5.
To calculate work, multiply the force by the
a.
distance.
b.
time.
c.
weight.
d.
mass.
6.
Sound travels most easily through
a.
solid material.
b.
liquids.
c.
a vacuum.
d.
gases.
7.
Sound that is so high-pitched that we cannot hear it is
a.
high amplitude.
b.
sound energy.
c.
sonar.
d.
ultrasound.
8.
The source of all light energy is
a.
electricity.
b.
the atom.
c.
photons.
d.
electromagnetic waves.
9.
The four important properties of light are speed, amplitude, frequency, and
a.
electromagnetism.
b.
pattern.
c.
wavelength.
d.
visibility.
10.
A narrow, high-energy beam of parallel light rays is
a.
incandescent.
b.
a microwave.
c.
a laser beam.
d.
visible light.