Physics Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| "Smart rocks" are considered for: | show 🗑
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| One watt is equivalent to: | show 🗑
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| show | It got very hot from the impact
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| Kinetic Energy can be measured in: | show 🗑
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| show | Power is energy divided by time
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| show | Horsepower: P
Kilowatt-hour: E
Watt: P
Calorie: E
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| show | Electric power and gasoline
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| What is the main reason that hydrogen-driven automobiles have not replaced gasoline ones? | show 🗑
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| Compared to an equal weight of gasoline, U-235 can deliver energy that is greater by a factor of (choose the closest value): | show 🗑
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| show | Uranium
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| show | The gasoline has about 70 times MORE energy
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| What is least expensive-for the same energy delivered? | show 🗑
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| The kinetic energy of a typical 1-gram meteor is approximately equal to the energy of: | show 🗑
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| Coal reserves in the United States are expected to last for: | show 🗑
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| A limitation for all electric automobiles is: | show 🗑
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| Solar power is about (choose all that are correct): | show 🗑
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| The efficiency of inexpensive solar cells is closest to: | show 🗑
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| A human, running up stairs, can briefly use power of approximately: | show 🗑
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| show | 150 calories
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| show | 1 gigawatt
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| show |
$1000 per kilowatt-hour
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| show | 10 cents per kWh
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| show | 3x less
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| Most of the hydrogen we use in the United States comes from: | show 🗑
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| show | 1 kWh
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| The kinetic energy of a bullet, per gram, is (within a factor of 2): | show 🗑
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| show | Doubles
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| About how fast are molecules in air moving? | show 🗑
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| show | Average kinetic energy
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| In a bucket of water, the instantaneous speed of the molecules is closest to: | show 🗑
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| show | Warms the room
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| A refrigerator with its door open is operating in a room. It: | show 🗑
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| show | The same average energy
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| Ice melts at: | show 🗑
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| A gas heater warms a room mostly through: | show 🗑
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| show | Increases when the temperature increases
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| show | Go up
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| show | Plastic conducts heat less than glass
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| show | Hydrogen
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| show | 125,000
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| show | 1000 feet per second
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| Put a hot glass in cool water. The glass shatters because: | show 🗑
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| Sea level is rising from global warming. The main cause is: | show 🗑
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| show | 4 F
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| show | Using natural gas to run a heat pump
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| show | It escapes Earth's gravity
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| show | 30,000 C
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| show | They were weaker at the thermal expansion joints
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| If temperature rises by 5 C = 9 F, then the rise in sea level will be about: | show 🗑
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| show | 80%
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| The temperature in the sun: | show 🗑
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| When a material is cooled: | show 🗑
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| The melting temperature of an object is usually: | show 🗑
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| show | nothing
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| show | 1,000
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| If the temperature of a gas in a container goes from 0 C to 300 C the pressure will | show 🗑
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| Firewalking is similar to | show 🗑
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| show | to be mixed with oxygen
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| show | as large as possible
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| Heat flow through empty space (no atoms present) | show 🗑
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| Entropy (optical topic) measures | show 🗑
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| show | 0K
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| show | air resistance
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| Balloons rise until | show 🗑
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| show | a little bit weaker
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| show | pushing air downward
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| show | pushing fuel donward
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| The storm surge in a hurricane comes from | show 🗑
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| show | wrong! his head is not snapped back with higher velocity
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| show | doesn't really accelerate things
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| The Sun would be a black hole if it were squeezed into a radius of | show 🗑
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| The method that would take the least energy to get something to space is | show 🗑
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| If an artificial satellite orbited the Earth at 240,000 miles (the distance to the Moon), it would orbit the Earth in a period of | show 🗑
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| The time it takes a geosynchronous satellite to orbit the Earth is | show 🗑
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| show | small but mesurable
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| You can see where the tropopause is by | show 🗑
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| If satellites fly too low, they will crash because | show 🗑
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| Ice-skaters spin faster by pulling in their arms. This illustrates that | show 🗑
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| Someone firing a rifle is pushed back by the rifle. This illustrates that | show 🗑
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| A problem with rail guns is that | show 🗑
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| The maximum acceleration of the space shuttle is about | show 🗑
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| show | 600 miles
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| For very high velocities, the best kind of rocket to use is | show 🗑
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| The altitude of a geosynchronous satellite is closest to | show 🗑
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| Skyhook, if built, is | show 🗑
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| show | 22 mph
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| show | accelerating the ship
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| Orbital velocity is about | show 🗑
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| show | it escaped to space
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| The orbit of GPS is | show 🗑
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| show | once every 24 hours
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| show | one minute
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| Compared to the weight of the payload, the fuel used in a rocket to orbit typically weighs | show 🗑
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| *A cubic meter balloon can lift | show 🗑
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| Spy satellites usually fly at | show 🗑
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| show | fusion
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| show | 99% of that in the entire atom
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| show | energy for volcanoes, helium for toy balloons, heat for geysers
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| LD50 refers to a | show 🗑
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| A major reason that your body is not radioactive is that | show 🗑
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| The primary cause of death from the Hiroshima bomb was | show 🗑
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| show | among the most dangerous kind of radiation
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| show | the radioactivity has decayed away
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| If the half-life of an element is big, that means that | show 🗑
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| Muller wears a wristwatch with tritium in the watch hands because | show 🗑
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| show | 1/8
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| show | in the first few million years of the Earth's existence
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| The fraction of the US population that dies from cancer is typically | show 🗑
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| show | the radiation hits a phosphor
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| Choose all the items that derive from radioactivity | show 🗑
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| show | exactly as long
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| show | about 2 billion
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| Which requires the larger dose | show 🗑
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| show | widely used even though it is not proven
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| A Sievert is how many rem | show 🗑
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| Cancer is lower in Denver because | show 🗑
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| show | 24,000
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| show | smoke detectors
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| Neutron activation is used | show 🗑
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| show | dirty bombs require plutonium, and that is hard for terrorists to obtain
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| Radioactivity in the Earth is responsible for | show 🗑
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| Volcanic heat comes from | show 🗑
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| The best way to measure the age of an ancient bone is | show 🗑
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| show | carried in satellites for power
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| Uranium is found on Earth, even though it is radioactive. That's because | show 🗑
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| show | has more protons
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| Alexander Litvinenko was assassinated with | show 🗑
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| The radiation from cell phones | show 🗑
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| The threshold for radiation illness is about | show 🗑
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| show | 4000 per second
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| The source of energy in the Sun is | show 🗑
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| Which of the following is most toxic per gram | show 🗑
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| show | does cause cancer, but at a very low rate
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| Drinking alcohol is required to be radioactive because | show 🗑
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| Recent reports discussing the population bomb | show 🗑
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| show | about 1 square kilometer of a city
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| For an atomic bomb, the number of doublings required is closest to | show 🗑
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| An implosion-type bomb is required for | show 🗑
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| Moore's law relates to | show 🗑
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| show | illness from anthrax
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| The statement that the Chernobyl accident will kill 24,000 people is based on | show 🗑
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| show | slows neutrons
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| The dangerous radioactivity in fallout comes from | show 🗑
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| Fallout is much worse if the bomb | show 🗑
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| A nuclear reactor cannot explode like a nuclear bomb because | show 🗑
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| show | underground
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| show | Plutonium
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| The number of nuclear weapons that the US had was closest to | show 🗑
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| show | identify children of Thomas Jefferson
check the guilt of convicted murders
identify victimes of 9/11
identify the fathers of children
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| The hiroshima bomb used | show 🗑
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| If the water moderator is lost from a nuclear reactor, | show 🗑
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| show | Pu-239
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| Which of the following is not a good example of the doubling law | show 🗑
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| show | deuterium
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| Plutonium can explode with few generations that can uranium because | show 🗑
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| In a nuclear power plant, the matieral that runs through the turbine is | show 🗑
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| show | 50,000 to 150,000
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| The smallest container that could contain one critical mass of plutonium is | show 🗑
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| The bomb dropped on Hiroshima used as its fuel | show 🗑
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| show | Calutrons
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| show | one large classroom
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| Pcr involves | show 🗑
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| One of the most dangerous radioactive matierals from fallout is | show 🗑
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| show | meltdown of the nuclear fuel
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| show | an artillery shell made from it is very penetrating
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| PCR was used to learn about | show 🗑
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| show | thermonuclear bomb
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| show | the size of a college campus
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| show | has been seen in laboratory experiments
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| At Three Mile Island | show 🗑
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| show | it makes more fuel than it uses
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| show | it isn't massive enough
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
bella_grace11
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