Space Systems & Earth's History

16 Skills in Science. 12 are ready to try — three verified questions each, no account needed.

Ready to try

Ages 5–8
Naming the Planets
Name the planets in our solar system in order from the Sun and use vocabulary for space — planet, star, sun, moon, satellite, orbit, solar system, galaxy, universe, asteroid, comet — applying these correctly when describing the structure o…
9 verified questions on this shelf
Ages 5–7
Why seasons change
Make observations at different times of year to relate the amount of daylight to the time of year, noticing longer days in summer and shorter days in winter
28 verified questions on this shelf
Ages 6–7
Sun, Moon, and stars
Use observations of the sun, moon, and stars to describe predictable patterns such as the sun rising and setting, the moon changing shape, and stars appearing at night
44 verified questions on this shelf
Ages 8–11
Earth & Space Vocabulary
Use technical vocabulary for Earth's motion and the wider universe — rotation, revolution, axis, tilt, orbit, light year, gravitational force, atmosphere, lunar phases, waxing, waning, solstice, equinox, eclipse — and apply these when expl…
9 verified questions on this shelf
Ages 9–11
Earth's rotation and day/night
Use the idea of the Earth's rotation to explain day and night and the apparent movement of the sun across the sky
9 verified questions on this shelf
Ages 9–10
How fossils form
Identify evidence from patterns in rock formations and fossils in rock layers to support an explanation for changes in a landscape over time
36 verified questions on this shelf
Ages 9–10
The solar system
Describe the sun, Earth, and moon as approximately spherical bodies, and describe the movement of the Earth and other planets orbiting the sun in the solar system
9 verified questions on this shelf
Ages 11–12
Phases of the Moon
Explain the phases of the Moon as the changing angle of sunlight on the lunar surface as seen from Earth, and describe how solar and lunar eclipses occur
10 verified questions on this shelf
Ages 11–12
The solar system (age 11+)
Describe the detailed structure of the solar system, including moons, asteroids, and comets, compare orbital periods and distances of the planets, and distinguish between planets, dwarf planets, and other bodies
10 verified questions on this shelf
Ages 11–12
Why We Have Seasons
Explain that the seasons are caused by the tilt of Earth's axis during its orbit around the Sun, distinguishing this from the common misconception that seasons are caused by changing distance from the Sun
13 verified questions on this shelf
Ages 12–13
Universal Gravitation
Describe gravity as a universal attractive force between all masses, explain that orbital motion arises because gravity provides the centripetal force keeping objects in orbit, and compare gravitational field strengths on different planets
1656 verified questions on this shelf
Ages 13–14
Life Cycle of a Star
Describe the life cycle of a star from nebula through main sequence to its end state (white dwarf, neutron star, or black hole depending on mass), and relate the life cycle to the origin of elements heavier than hydrogen
9 verified questions on this shelf

Being planted

These Skills are on the map, but their questions are still being written and checked.

Ages 7–8
Rapid earth changes
Coming soon
Ages 10–11
Shadows
Coming soon
Ages 10–11
Star Brightness & Distance
Coming soon
Ages 12–13
Galaxies and the universe
Coming soon

Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.