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Fourth Grade (Grade 4) Astronomy Questions

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Grade 4 Small Bodies and Dwarf Planets
How are asteroids and comets different?
  1. Asteroids are much smaller than comets.
  2. Comets orbit the Sun, while asteroids orbit Earth.
  3. Comets are made up or rock, ice, and frozen gases, while asteroids are made up of rocks and metals.
  4. Asteroids are pieces of Earth, while comets are pieces of the Sun.
Grade 4 The Moon
When the Moon is between the Sun and Earth, it appears completely in shadows. What is this lunar phase called?
  1. New Moon
  2. Full Moon
  3. Waxing Gibbous
  4. Waning Crescent
Grade 4 The Moon
A         solar         eclipse is when the Moon is in between the Sun and Earth. A         lunar         eclipse is when Earth is between the Moon and the Sun.
Grade 4 Small Bodies and Dwarf Planets
A satellite is
  1. a body, such as the Moon, that revolves around a larger body. This can also be an artificial object that was sent to space to orbit another object.
  2. a group of outer planets that are considered to be 'gas' giants because they have lots of gases which make up the atmospheres.
  3. our closest star which gives lots of energy and light.
  4. a ring system.
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 Stars
What star doesn't allow you to see other stars during the day but allows you to see the glowing Moon at night?
  1. North Star
  2. Sun
  3. Earth
  4. Polaris
Grade 4 Stars
Constellations that appear to circle the poles are called                 constellations.
  1. circumpolar
  2. seasonal
  3. planet
  4. star
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 Stars
Our Sun is a
  1. dead star.
  2. middle-aged star.
  3. nebula.
  4. old-aged star.
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
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