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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Which is the characteristic of a comet? | It is made of rock and ice with a tail of gas and dust
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Which planet's orbit is between Earth and the Sun? | Venus
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Which two factors determine the gravitational attraction between two objects? | mass and distance apart
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The Sun appears larger than other starts because of its | distance from Earth
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If Halley's comet was seen without the use of a telescope in 1910 and 1986, when do scientist predict we may be able to see it again in the future? | 2062
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Spacecraft launched from Earth needs to reach a specific speed to escape Earth's surface to overcome what? | Earth's gravitational force
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Natural satellites such as our moon orbit what? | planets
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Why must scientists exercise while staying in space for long periods of time? | to keep muscle and bones from deteriorating
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For long term space travel, scientists do NOT need to consider what? | escaping Earth's gravity
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When the Soviets launched the first artificial satellite in space, this impacted society because now we have what? | satellites for phones, GPS, and weather
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Why are objects from space usually harmless when they hit Earth? | they burn up in the atmosphere
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Mars' orbit is shorter or longer than Earth's orbit around the sun? | longer
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Mercury's orbit is shorter or longer than Earth's orbit around the sun? | shorter
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If you have hypothesized that Europa, Jupiter's moon, contains liquid water, and carbon-based life, what would you use to prove your hypothesis? | a probe with instruments
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An alien species needs a planet with a hard surface where they can see the stars. This means the planet cannot have what? | an atmosphere
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Solid object that is smaller than a planet that orbits the sun between Mars and Jupiter is called an | asteroid
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Objects made of iron and nickel that hit Earth after burning up in the atmosphere are called | meteorites
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Humans cannot breathe Martian air because the % of what gas is too low? | oxygen
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One of Jupiter's moons that is believed to have active volcanoes | Io
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Gas giant planets include Jupiter, Saturn, Uranus, and | Neptune
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Venus is very hot because it has a very thick | atmosphere
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Which characteristic of a planet or moon protects it from solar winds? | magnetic field
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If scientists wanted to send a probe to Pluto to see if there is carbon, what instrument would they need to include? | mass spectrometer
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If scientists wanted to send a probe to Mar's to measure the pressure of Mars' atmosphere, what instrument would they need to include? | barometer
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If you sent a probe to Titan to find out if it has earthquakes, what instrument would you need to include? | seismograph
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Mass Spectrometers will only work on what type of probe? | lander
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Atoms stop moving at | absolute zero (-273 degrees Celcius)
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What is considered a "signature" for an element? | spectrogram
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Created by:
LSumrall72
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