The cards Question How long does Earth take to spin once? Tap to flip Answer 24 hours. Question How many days does Earth take to orbit the Sun once? Tap to flip Answer 365.25 days, which is one year. Question What shape is Earth's orbit around the Sun? Tap to flip Answer Almost a perfect circle. Question About how long does the Moon take to orbit Earth? Tap to flip Answer About a month: 27.3 days. Question What is a star? Tap to flip Answer An extremely large sphere of hot gas that gives out light. Question What is a planet? Tap to flip Answer A very large sphere of rock or gas that orbits a star. Question What does our solar system include? Tap to flip Answer The Sun (a star) and all the objects that orbit it. Question How many planets orbit the Sun? Tap to flip Answer 8. Question Besides the 8 planets, what else orbits the Sun? Tap to flip Answer Dwarf planets and smaller objects such as asteroids. Question How do distances in the solar system compare with the sizes of its objects? Tap to flip Answer The distances are very, very large compared with the sizes of the objects. Question Are there stars between the planets of our solar system? Tap to flip Answer No. The second nearest star to Earth is 10 000 times further from the Sun than Neptune. Question In which direction do gravitational forces pull objects? Tap to flip Answer Towards the centre of large objects such as planets, moons and stars. Question How does an object's mass affect its gravity? Tap to flip Answer The greater the mass, the stronger the gravity. Question What happens to gravity further from a planet, moon or star? Tap to flip Answer It reaches far into space but gets weaker with distance. Question What makes the Moon orbit Earth? Tap to flip Answer Earth's gravity pulls the Moon towards Earth's centre, changing its direction. Question What makes Earth orbit the Sun? Tap to flip Answer The Sun's gravity pulls Earth towards the Sun's centre, changing Earth's direction. Question Is there gravity in space, away from Earth? Tap to flip Answer Yes. Gravity keeps the Moon orbiting Earth and the planets orbiting the Sun. Question Why do the stars in the night sky look smaller and dimmer than the Sun? Tap to flip Answer They are much further away. Question What is a light-year? Tap to flip Answer The distance light travels in one year. Question What is a galaxy? Tap to flip Answer A group of stars, with billions of stars in each one. Question How many galaxies are there in the universe? Tap to flip Answer Billions. Question Is a surface heated more by rays from directly overhead or at an angle? Tap to flip Answer From directly overhead. Question Are light rays more or less spread out when they hit a surface face-on rather than at an angle? Tap to flip Answer Less spread out. Question At what time of day is the Sun's heating effect at a place greatest? Tap to flip Answer At midday (lowest at sunrise and sunset). Question What changes the Sun's height in the sky over a day? Tap to flip Answer Earth's spin. Question At what angle is Earth's axis tilted? Tap to flip Answer 23.5 degrees. Question Compared with winter, how do daylight hours and the Sun's height change in summer? Tap to flip Answer There are more daylight hours and the Sun appears higher in the sky. Question Is Earth much closer to the Sun in summer than in winter? Tap to flip Answer No. Its orbit is nearly a circle, so its distance from the Sun barely changes over a year. Question What causes the seasons on Earth? Tap to flip Answer Earth's tilted axis, which keeps the same direction as Earth orbits the Sun. Question Which hemisphere is tilted towards the Sun in June? Tap to flip Answer The northern hemisphere, so it has summer. Question Which season does the northern hemisphere have in December? Tap to flip Answer Winter, because it is tilted away from the Sun. Question Why do countries near the Equator not have summers and winters? Tap to flip Answer They stay close to face-on to the Sun all year. Question Until which century did most people think Earth was at the centre of the universe? Tap to flip Answer The 16th century. Question What shape was Earth once thought to be? Tap to flip Answer Flat, with the Sun and stars moving around it. Question What kind of observations give evidence that helps us understand the universe? Tap to flip Answer Observations made with telescopes. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage Key stage 3 (Years 7–9) Course KS3 Science Unit Our solar system and beyond England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-02, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
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A Science lesson by Oak National Academy licensed under Open Government Licence (OGL)
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