Flashcard Set Preview
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| 1 |
Does the frequency of a simple pendulum depend on its mass, the acceleration due to gravity,...
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Two of these.
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| 2 |
Energy transfer by convection is primarily restricted to...
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Fluids.
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| 3 |
A plasma differs from a gas in that...
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It is electrically conducting.
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| 4 |
A node is a position of...
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Minimum amplitude.
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| 5 |
Atmospheric pressure is caused by the...
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weight of the atmosphere.
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| 6 |
When you touch a cold piece of ice with your finger, energy flows...
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From your finger to the ice.
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| 7 |
The volume of matter comes mostly from its...
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Electrons.
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| 8 |
Caruso is said to have made a crystal chandelier shatter with his voice. This is a demonstration...
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Resonence.
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| 9 |
Pour a liter of water at 40 degrees C into a liter of water at 20 degrees C and the final temperature...
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At or about 30 degrees C.
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| 10 |
As a helium-filled balloon rises in the air, it becomes...
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Bigger.
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| 11 |
A wave oscillates up and down two complete cycles each second. If the wave travels at an average...
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3 m.
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| 12 |
The pressure in a liquid depends on liquid...
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Depth and density.
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| 13 |
Doubling the linear size of an object multiplies its area by...
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4 and its volume by 8.
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| 14 |
Which has the greater density, a lake full of water or a cup full of lake water?
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Both have the same density.
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| 15 |
Airplane flight best illustrates...
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Bernoulli's Principle.
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| 16 |
When a pendulum clock at sea level is taken to the top of a high mountain, it will...
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Lose time.
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| 17 |
Your feet feel warmer on a rug than on your tile floor because your rug...
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Is a better insulator than your tile.
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| 18 |
The moderate temperature of islands throughout the world has much to do with the water's...
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High specific heat.
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| 19 |
An observer on the ground hears a sonic boom which is created by an airplane flying at a speed...
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Greater than the speed of sound.
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| 20 |
The approximate range of human hearing is...
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20 hertz to 20,000 hertz.
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| 21 |
Sound travels faster in...
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Steel.
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| 22 |
A wooden block has a mass of 1000 kg and a volume of 2 cubic meters. What is the block's density?
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500 kg per cubic meter.
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| 23 |
A standing wave occurs when...
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A wave reflects upon itself.
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| 24 |
A liter of hot water will cool to room temperature faster in a...
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Black pot.
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| 25 |
Substances absorb heat energy by the process(es) of...
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Conduction, radiation, and convection.
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| 26 |
Most of the matter in the universe is in the...
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Plasma state.
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| 27 |
Two equal sized buckets are filled to the top with water. One of the buckets has a piece of...
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Equal too the weight of the other bucket.
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| 28 |
Which of these atoms has the greatest number of electrons: uranium, carbon, gold, helium, or...
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Uranium.
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| 29 |
the phenomenon of beats results from sound...
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Interference.
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| 30 |
One of the main reasons one can walk barefoot on red-hot coals without burning their feet has...
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Low thermal conductivity of the coals.
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| 31 |
A rock suspended by a string weighs 5 N out of water and 3 N when submerged. What is the buoyant...
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2 N.
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| 32 |
What makes an element distinct?
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The number of protons.
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| 33 |
Atoms heavier than hydrogen were made by...
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Nuclear fusion.
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| 34 |
On a windy day, atmospheric pressure...
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Decreases.
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| 35 |
Like a transverse wave, a longitudal wave has...
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Amplitude, frequency, wavelength, and speed.
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| 36 |
The fact that a thermometer "takes its own temperature" illustrates...
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Thermal equilibrium.
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| 37 |
A temperature difference if 10 degrees C is also equal to a temperature difference of 10 on...
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Kelvin scale.
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| 38 |
The vibrations of a transverse wave move in a direction...
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At right angles to the direction of wave travel.
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| 39 |
A spring is stretched by 10 cm by a suspended 1-kg block. If two such springs side by side...
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5 cm.
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| 40 |
If the volume of an object were to double while its mass stays the same, its density would...
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halve.
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