POWERPOINT JEOPARDY

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Transcript POWERPOINT JEOPARDY

Ch 4
Motion
Ch 5
Forces
Ch 6
Newtons
laws
Ch 7
Energy
Ch 8
Phase
changes
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Question 1 - 10
• T he speed you read on a speedometer
Answer 1 – 10
• Instantaneous speed
Question 1 - 20
• A cart is rolling down a ramp, when the ramp
angle is increased to make the ramp steeper,
the cart will…
Answer 1 – 20
• Have greater acceleration
Question 1 - 30
• A snowboarder begins his run from rest (point 1) on top of a
hill. He moves straight down the slope until he reaches the
bottom of the hill (point 4) and the ground levels off. The
snowboarder continues to move horizontally across the level
ground and eventually comes to a stop (point 5).
• Which graph best represents the speed of the snowboarder as
he moves from point 2 to point 3?
Answer 1 – 30
Question 1 - 40
• The speed of the bus from point B to C is
Answer 1 – 40
• Negative acceleration
• Decelerating
Question 1 - 50
• Bob runs the 100 m dash during a track meets
and wins. He completed the 100.0 m sprint in
11.2 seconds. Bob’s velocity during the race
Answer 1 – 50
• 8.92 m/s towards the finish line
Question 2 - 10
• If an elephant has a mass of 2,000 kg, her
weight on Earth is
Answer 2 – 10
• 19,600 N
Question 2 - 20
• The length of the arrow indicates the strength
of the force.
Answer 2 – 20
• vector
Question 2 - 30
• A force that resists the motion of an object
moving across a surface
Answer 2 – 30
• Sliding friction
Question 2 - 40
• A box resting on a table without moving
Answer 2 – 40
• Is in equilibrium
Question 2 - 50
• Shows the normal force acting on the box
Answer 2 – 50
• D
Question 3 - 10
• Changes in motion come from:
Answer 3 – 10
• Unbalanced forces
Question 3 - 20
• The SI Unit for force
Answer 3 – 20
• Newton
Question 3 - 30
• You stand on a skateboard and push off the
ground with one of your feet. The force
applied by your foot to the ground compare to
the force applied by the ground to your foot
Answer 3 – 30
• Are equal
Question 3 - 40
• Spin a raw egg on the table, stop it with your
hand, and remove your hand quickly. The egg
will begin to spin again with no help at all!
Answer 3 – 40
• Newton’s first law
Question 3 - 50
• When comparing the inertia of two objects
consider this only .
Answer 3 – 50
• Mass
Question 4 - 10
• Natalie lifts a 15-kg rock from the ground onto
a 1.5 meter high wall. The amount of potential
energy she has given the rock
Answer 4 – 10
• 220 Joules
Question 4 - 20
• If you do 500 joules of work using a force of 50
newtons, over what distance was the work
accomplished?
Answer 4 – 20
• 10 m
Question 4 - 30
• A marble rolls along the track below with no
friction. The sequence of positions on the
track listed in order from the lowest kinetic
energy to the highest kinetic energy is:
Answer 4 – 30
• 154236
Question 4 - 40
• At what location does the ball have the least
gravitational potential energy?
Answer 4 – 40
• C
Question 4 - 50
• The rollercoaster on a track transfers a lot of
energy to heat and sound energy but the
amount never changes.
Answer 4 – 50
• The law of conservation of energy
Question 5 - 10
• The graph below was drawn using data recorded as water at 20°C was heated to 100°C. On the graph, letters A, B, C, and D
label arrows pointing to various sections of the graph.
• the section of the graph representing the time
during which only ice is present is:
Answer 5 – 10
• A
Question 5 - 20
• phase of matter are atoms free to move but
don’t have enough energy to completely
break bonds?
Answer 5 – 20
• liquid
Question 5 - 30
• A gas at a temperature of 160°C cools until it becomes a solid at a
temperature of 20°C. The diagram below represents a graph of the
temperature vs. time data for these changes.
• the interval from time 2 minutes to 10 minutes, the substance is
Answer 5 – 30
• Changing from a gas to a liquid
Question 5 - 40
• At 120 °C and 80 °C is a phase change and this
is known because
Answer 5 – 40
• There is no temperature change
• Graph line is horizontal
Question 5 - 50
• The solid phase of matter are molecules or
atoms most restricted in their ability to move
making them more __________ than liquids
and gases.
Answer 5 – 50
• dense