Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
WMS SPACE SCIENCE
Review
| Question | Answer |
|---|---|
| Which is the characteristic of a comet? | It is made of rock and ice with a tail of gas and dust |
| Which planet's orbit is between Earth and the Sun? | Venus |
| Which two factors determine the gravitational attraction between two objects? | mass and distance apart |
| The Sun appears larger than other starts because of its | distance from Earth |
| 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 |
| Spacecraft launched from Earth needs to reach a specific speed to escape Earth's surface to overcome what? | Earth's gravitational force |
| Natural satellites such as our moon orbit what? | planets |
| Why must scientists exercise while staying in space for long periods of time? | to keep muscle and bones from deteriorating |
| For long term space travel, scientists do NOT need to consider what? | escaping Earth's gravity |
| When the Soviets launched the first artificial satellite in space, this impacted society because now we have what? | satellites for phones, GPS, and weather |
| Why are objects from space usually harmless when they hit Earth? | they burn up in the atmosphere |
| Mars' orbit is shorter or longer than Earth's orbit around the sun? | longer |
| Mercury's orbit is shorter or longer than Earth's orbit around the sun? | shorter |
| 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 |
| 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 |
| Solid object that is smaller than a planet that orbits the sun between Mars and Jupiter is called an | asteroid |
| Objects made of iron and nickel that hit Earth after burning up in the atmosphere are called | meteorites |
| Humans cannot breathe Martian air because the % of what gas is too low? | oxygen |
| One of Jupiter's moons that is believed to have active volcanoes | Io |
| Gas giant planets include Jupiter, Saturn, Uranus, and | Neptune |
| Venus is very hot because it has a very thick | atmosphere |
| Which characteristic of a planet or moon protects it from solar winds? | magnetic field |
| If scientists wanted to send a probe to Pluto to see if there is carbon, what instrument would they need to include? | mass spectrometer |
| 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 |
| If you sent a probe to Titan to find out if it has earthquakes, what instrument would you need to include? | seismograph |
| Mass Spectrometers will only work on what type of probe? | lander |
| Atoms stop moving at | absolute zero (-273 degrees Celcius) |
| What is considered a "signature" for an element? | spectrogram |
Created by:
LSumrall72
Popular Science sets