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Fourth Grade (Grade 4) Solar System Questions

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Grade 4 Outer Planets
The four planets in our solar system that are considered to be 'Gas Giants' are
  1. Earth, Venus, Pluto and Uranus.
  2. Mercury, Mars, Neptune and Saturn.
  3. Earth, Saturn, Uranus and Neptune.
  4. Jupiter, Saturn, Uranus and Neptune.
Grade 4 Sun
Which statement does NOT describe the Sun?
  1. The Sun is an average size star.
  2. The Sun is about 110 times the diameter of Earth.
  3. The Sun is approximately 4.6 billion years old.
  4. The Sun has a solid surface.
Grade 4 Sun
Which detail is true of the Sun?
  1. It's a ball of hydrogen and helium.
  2. It's a ball of oxygen and hydrogen.
  3. It's a ball of helium and phosphorus.
  4. It's a ball of carbon dioxide and oxygen.
Grade 4 The Moon
The Moon travels around Earth in                 days.
  1. 365
  2. 38
  3. 27
  4. 24
Grade 4 Planetary Motion
In the Northern Hemisphere, what month would the days be the longest, with the Sun rising early and setting late?
  1. March
  2. January
  3. December
  4. June
Grade 4 Planetary Motion
When an object orbits another object, it                .
  1. vibrates
  2. rotates
  3. explodes
  4. revolves
Grade 4 Small Bodies and Dwarf Planets
What is the tail of a comet made up of?
  1. Little chunks of rock
  2. Gas and dust particles
  3. Fire
  4. Chunks of rock that are on fire
Grade 4 Solar System
Which two early astronomers were supporters of the geocentric, or Earth-centered, model of the solar system?
  1. Aristotle and Galileo
  2. Galileo and Copernicus
  3. Aristotle and Ptolemy
  4. Copernicus and Ptolemy
Grade 4 Outer Planets
This planet is the sixth from the Sun and has a ring system that can be seen with binoculars from Earth.
  1. Saturn
  2. Jupiter
  3. Earth
  4. the Moon
Grade 4 Planetary Motion

This question is a part of a group with common instructions. View group »

The tilt of Earth's axis and              revolution              around the Sun cause seasons to change during the year.
Grade 4 Inner Planets
Earth has one moon.
  1. True
  2. False
Grade 4 Inner Planets
Venus is the hottest planet.
  1. True
  2. False
Grade 4 Outer Planets
Which best describes the structure of of Uranus?
  1. Rock only
  2. Rocky core; liquid water surface
  3. Rocky core; icy water, methane and ammonia
  4. Gases only
Grade 4 Small Bodies and Dwarf Planets
A natural object that orbits a planet is a star.
  1. True
  2. False
Grade 4 Inner Planets
What is a terrestrial planet?
  1. A planet made mostly out of gases
  2. A scary planet
  3. An Earth-like planet
  4. A planet that has no moons
Grade 4 Inner Planets
Venus is the hottest planet in the solar system.
  1. True
  2. False
Grade 4 Inner Planets
How many moons does Mars have?
  1. 5
  2. 10
  3. 20
  4. 2
Grade 4 Sun
The Sun has a solid surface.
  1. True
  2. False
Grade 4 Outer Planets
How many known sets of rings does Jupiter have?
  1. 4
  2. 6
  3. 8
  4. 19
Grade 4 Outer Planets
Saturn is named after the Roman God of Agriculture.
  1. True
  2. False
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