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11th grade Gravity on other worlds worksheet

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Gravity on other worlds

Grade 11 Science Worksheet - Challenge Me

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Circle the best answer, or write your answer on the line.

  1. Mercury: mass 0.33 × 10²⁴ kg, diameter 4879 km. Earth: 5.97 × 10²⁴ kg, 12,756 km, g = 9.8 m/s². To the nearest tenth, what is g on Mercury, Bo?

  2. The Moon: mass 0.073 × 10²⁴ kg, diameter 3475 km. Earth: 5.97 × 10²⁴ kg, 12,756 km, g = 9.8 m/s². To the nearest tenth, what is g on the Moon, Esme?

  3. Read this first

    Four planets (NASA planetary fact sheet)

    WorldMass (10²⁴ kg)Diameter (km)g (m/s²)
    Earth5.97127569.8
    Venus4.87121048.9
    Mars0.64267923.7
    Jupiter189814298423.1

  4. Using the table, Jupiter has about 318 times Earth's mass. Why is its g only about 2.4 times Earth's, Jun?

    • Jupiter spins too slowly to hold things
    • Its g should be 318 times; the table is wrong
    • Its radius is about 11 times Earth's

  5. Using the table, Venus has about 82% of Earth's mass and 95% of its diameter. How does its g compare with Earth's, Kira?

    • About 82% of Earth's, like its mass
    • A little less: 8.9 against 9.8 m/s²
    • More than Earth's, since Venus is warmer

  6. Using the table, which planet's g is closest to Earth's, Luz?

    • Mars
    • Venus
    • Jupiter

  7. Milo says a rover loses mass when it lands on the Moon. Agree or disagree?

    • Disagree: only its weight changes
    • Agree: the Moon pulls some of its mass away
    • Agree: it weighs less, so it has less mass

  8. Noah says a planet with twice Earth's mass must have twice Earth's surface gravity. Agree or disagree?

    • Agree: radius has no effect on g
    • Disagree: it also depends on the radius
    • Agree: surface gravity depends on mass alone

  9. Pia says a box weighing 37 N on Mars has a mass of 37 kg. Agree or disagree?

    • Agree: weight and mass are the same number
    • Agree: on Mars, newtons and kilograms match
    • Disagree: 37 ÷ 3.7 = 10 kg

  10. A model world is made of the same rock as Earth, packed just as tightly, with half Earth's radius. How does its g compare, Tala?

    • 4 times Earth's
    • Half of Earth's
    • One-eighth of Earth's

  11. A model world has 9 times Earth's mass. What radius gives it the same surface gravity as Earth, Zee?

    • 3 times Earth's radius
    • 81 times Earth's radius
    • 9 times Earth's radius
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11th grade Gravity on other worlds worksheet – printable
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About this worksheet

Gravity on other worlds. Every version has 10 questions, and the answer key prints on the second page.

What your child will learn

  • I can read surface gravity from NASA data (Mercury 3.7, Venus 8.9, Earth 9.8, Moon 1.6, Mars 3.7, Jupiter 23.1 m/s²). I can find weight (mg) and mass (W ÷ g).
  • I can tell mass from weight. A spring scale reads weight, so its reading changes; a pan balance compares masses, so it doesn't.
  • I can predict drop times and speeds with g (t = √(2h ÷ g), v = gt).
  • I can find g from Earth ratios, explain why Jupiter's g is only about 2.4 times Earth's, and solve model-world puzzles with g ∝ M ÷ r².

Standard: HS-PS2-4

Words to know

gravitational field strength (g): The pull on each kilogram at a place, in N/kg or m/s²

weight: The gravitational pull on an object: W = mg, in newtons

mass: The amount of matter, in kilograms; the same everywhere

spring scale: Measures weight by how far a spring stretches

pan balance: Compares an object's mass with standard masses

Common mistakes

Your child divided mass by g. Weight is mass × g.

Your child multiplied weight by g. To find mass from weight, divide by g.

Your child mixed up mass and weight. Mass, in kilograms, stays the same everywhere; weight, in newtons, is mass × g.

Questions parents ask

What is the most common mistake with gravity on other worlds?

Your child divided mass by g. Weight is mass × g.

Are these 11th grade science worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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