Science Review
All sound waves are caused by vibration. But can all vibrations cause waves?
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What is matter?
Is a wave made of matter?
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What is a medium?
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How are compression waves and water waves similar/different?
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We use ____________ to describe the loudness of a sound.
We measure it in ______________.
A short wavelength means a _______ frequency.
A long wavelength means a _________ frequency.
A high frequency means a ________ pitch—the “note” of a sound.
A low frequency means a _____ pitch.
How many crests are there in wave 1?
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Which wave has the largest amplitude?
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Which wave has the highest frequency?
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Which wave has the largest wavelength?
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What is the relationship between wavelength and frequency?
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What is the relationship between amplitude and frequency?
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Acceleration equals to ______ divided by ________.
An attraction between the earth and any object is called __________
Light can travel through a vacuum at 3×108 m/s. Calculate how long it would
take light to travel from Earth to Mars, a distance of 56 million km?
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In what two important ways does a laser differ from light from a light bulb?
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Consider the diagram at the bottom.
Which one of the angles (A, B, C, or D)
is the angle of incidence? ______
Which one of the angles is the angle
of reflection? _____
How does a rainbow form?
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Why do the dishes stay on the
table when the tablecloth is pulled out?
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If objects in motion tend to stay in motion, why don’t moving objects keep
moving forever?
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An ________________ force is required to accelerate an object.
What acceleration will result when a 12 N net force applied to a 3 kg object? A 6
kg object?
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A net force of 16 N causes a mass to accelerate at a rate of 5 m/s2. Determine
the mass.
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A car is speeding up from 25m/s to 50m/s in 10 seconds. What is the
acceleration of this car?
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The tendency of an object to resist a change in its state of motion is called
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If you increase the force on the object, the acceleration will _______________.
If you increase the mass of the object, the acceleration will ______________.
A force called _______ opposes the motion of one object moving past another.
______ of an object is how fast its position is changing with time at any moment.
_________ is the speed of a moving object taken together with its direction of
travel.
A change in velocity is _________.
________ occurs when a force causes the speed of an object to decrease.
If an object is at rest, does it have the inertia or not?
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Interpret graphs of motion: Velocity-time graph, Distance-time graph
Label the focal point of two lens.