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Other Sciences, Science
7th
grade
Space - Year 7 Science - Pearson Australia
38 questions
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- 1. Multiple ChoiceWhich of the following groups are all terrestrial planets?Venus, Mars, MercuryMars, Venus, SaturnJupiter, Mars, NeptuneMercury, Saturn, Jupiter
- 2. Multiple Choice
What protects life on Earth from harmful radiation?
Earth's distance from the Sun
Earth's tilt
Moon's gravity
Earth's atmosphere
- 3. Multiple ChoiceLife on Earth would not be possible without which of the following?A moon & liquid waterA moon and Earth's locationOzone and a moonWater & Earth's location from the Sun
- 4. Multiple ChoiceWhich two objects would have more gravitational forces acting between them?Earth & the MoonYou and the SunSun and the EarthYou and the Moon
- 5. Multiple ChoiceWhy would you weigh more on Jupiter than you do on Earth?Jupiter has more mass and more gravitational pullJupiter has less mass and less gravitational pullYou would not weigh more on JupiterJupiter has more mass and less gravitational pull
- 6. Multiple ChoiceHow does the gravitational force between the Sun and the planet change as they get farther apart?IncreasesStays the sameDecreasesNo gravitational force
- 7. Multiple ChoiceWhich of the following groups of planets are all gas giants?Neptune, Saturn, JupiterVenus, Mars, SaturnMars, Venus, MercuryMars, Jupiter, Neptune
- 8. Multiple ChoiceMany of the Moon's craters formed when:Volcanoes eruptedSeas evaporatedThe Sun partly melted the surfaceSpace objects hit the Moon's surface
- 9. Multiple ChoiceHow is Venus different from Jupiter?Jupiter is a planet, Venus is a large asteroidJupiter is a gas giant, Venus is a terrestrial planetJupiter is a terrestrial planet, Venus is a gas giantJupiter has no moons, Venus has two moons
- 10. Multiple ChoiceThe asteroid belt in our solar system is located between:Neptune & SaturnEarth & MercuryThe Milky Way & PolarisMars & Jupiter
- 11. Multiple ChoiceWhat do comets have in common with Earth?They orbit the SunThey have north and south magnetic polesThey are primarily made of ice and dustThey both have a spherical shape
- 12. Multiple Choice
Which of these appears in Earth's atmosphere?
a moon
a meteoroid
an asteroid
a comet
- 13. Multiple ChoiceWhich of these terms best describes the makeup of most asteroids?gaseousliquidrockyall of the above
- 14. Multiple Choice
Stars are made up of...
Neon
Hydrogen
Liquid
Halogens
- 15. Multiple Choice
A group of stars that form a recognisable pattern is called:
A concentration
A cluster
A constellation
A group
- 16. Multiple Choice
The scientific study of stars is called:
Astroscience
Astrology
Astroctomy
Astronomy
- 17. Multiple Choice
_____ ________ don't have enough mass or gravity to clear the nearby area of dust and rocks:
little planets
big planets
giant planets
dwarf planets
- 18. Multiple Choice
_______ is a force that pulls masses together:
stars
mass
gravity
friction
- 19. Multiple Choice
How many high tides are there usually in one day?
2
3
4
6
- 20. Multiple Choice
Objects in orbit are called:
planets
space stations
satellites
stars
- 21. Multiple Choice
Ellipses are:
oval shaped
circular
square
when the Sun is blocked by the Moon
- 22. Multiple Choice
A solar eclipse occurs when light from the _____ is blocked by the ______.
Sun, Earth
Earth, Sun
Sun, Moon
Moon, Earth
- 23. Multiple Choice
A lunar eclipse occurs when _____ blocks lights from reaching the _____.
Moon, Earth
Sun, Earth
Sun, Moon
Earth, Moon
- 24. Multiple Choice
Earth takes _____ hours to complete on rotation on its axis.
24
28
42
72
- 25. Multiple Choice
The Earth takes _______ days or 1 year to revolve around the Sun.
364
365
- 26. Multiple Choice
The Earth's seasons are caused by:
the tilt of the Earth's axis
the Sun
the Moon
the Equator
- 27. Multiple Choice
In a diagram depicting the solar system as heliocentric, what is located at the center?
Earth
the sun
the moon
Mars
- 28. Multiple Choice
Which of the following objects does NOT orbit directly around the sun?
planets
comets
moons
all of the above
- 29. Multiple Choice
The distance between stars is typically measured in
light-years
liometers
astronomical units
miles
- 30. Multiple ChoiceWhat planets are the inner planets?Earth, Mars, Mercury, VenusJupiter, Earth, Mars, VenusJupiter, Saturn, Uranus, NeptuneEarth, Mars, Neptune, Pluto
- 31. Multiple ChoiceWhat are the outer planets?Jupiter, Saturn, Neptune, PlutoMars, Jupiter, Saturn, UranusMars, Jupiter, Saturn, EarthJupiter, Saturn, Uranus, Neptune
- 32. Multiple ChoiceDescribe the differences of inner and outer planets.Inner planets are small rocky planets, outer planets are large and gaseousInner planets are large and gaseous, and outer planets are small hot planetsInner planets are rocky and large, outer planets are small and rockyInner planets are small gaseous planets, outer planets are large rocky planets.
- 33. Multiple Choice
If it is winter in the Southern Hemisphere, what season is it in the Northern Hemisphere?
Winter
Spring
Summer
Fall
- 34. Multiple Choice
Which is the best explanation for why the Southern Hemisphere experiences winter?
The Earth is farther from the Sun.
The Earth is closer to the Sun.
The Southern Hemisphere is tilted toward the Sun.
The Southern Hemisphere gets indirect sunlight and tilted away from the Sun.
- 35. Multiple ChoiceThe Earth's _______ is an imaginary line that goes from the North Pole to the South Pole.vernal equinoxaxissolar eclipsesolar flare
- 36. Multiple ChoiceEarth's ________ on its axis causes day and night.rotationrevolutionphasecomet
- 37. Multiple Choice
The phases of the moon are caused by:
The Earth's shadow on the moon
The moon is a white dwarf
The amount of sunlight being reflected by the moon towards Earth
The amount of light emitted by the moon towards Earth
- 38. Multiple Choice
As the moon's shape appears to get smaller, we say that the moon is:
Swelling
Waxing
Waning
Shrinking
- Answer choicesTagsAnswer choicesTags