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Astronomy Grade K-1 Answer Key

Astronomy: Planets: Big Balls in Space

Learning what planets are and how they look

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Astronomy: Planets: Big Balls in Space

Learning what planets are and how they look

Astronomy - Grade K-1

Instructions: Read each problem with a grown-up if needed. Write, circle, color, or draw your answer.
  1. 1

    A planet is a big, round object in space. Circle the word that names the planet we live on: Earth, Sun, Moon.

    Earth is our home planet.

    The planet we live on is Earth.
  2. 2

    Circle the object that is shaped most like a planet: ball, box, pencil.

    A ball is shaped most like a planet because planets are round.
  3. 3

    Fill in the blank: Planets are big and ____.

    Think about the shape of a ball.

    Planets are big and round.
  4. 4

    Draw a circle to show the shape of a planet.

    The drawing should show a circle, because a planet looks round like a ball.
  5. 5

    Look at the picture. Count the planets. Write the number.

    Touch each planet as you count it.

    There are 5 planets in the picture.
  6. 6

    True or false: A planet is flat like a piece of paper.

    False. A planet is round like a ball, not flat like paper.
  7. 7

    Color the planet Earth with blue for water and green for land.

    Blue can show oceans, and green can show land.

    Earth should be colored blue and green because Earth has water and land.
  8. 8

    The Sun is a star. Planets move around the Sun. Draw a line from the planet to the path around the Sun.

    The line should connect the planet to the path around the Sun, because planets travel around the Sun.
  9. 9

    Circle the planet that has rings around it.

    Look for the round planet with a band around it.

    The planet with rings around it should be circled. Saturn is a planet with rings.
  10. 10

    Fill in the blank: Planets are in ____.

    Planets are in space.
  11. 11

    Circle the thing that gives us light in the daytime: Sun, Earth, backpack.

    The Sun is the bright star closest to Earth.

    The Sun gives us light in the daytime.
  12. 12

    A planet does not make its own bright light like a star. Circle the star: Sun, Mars, Earth.

    The Sun is the star because it makes its own bright light.
  13. 13

    Draw one planet in space. Add stars around it.

    Make the planet round like a ball.

    The drawing should show one round planet with stars around it in space.
  14. 14

    Look at the picture. Circle the biggest planet.

    The biggest planet in the picture should be circled.
  15. 15

    Write or say one thing you know about planets.

    Think about shape, place, or Earth.

    A correct answer can say that planets are round, planets are in space, planets move around a star, or Earth is a planet.
LivePhysics™.com Astronomy - Grade K-1 - Answer Key