How to Play
• Answer the General Knowledge questions on science, then find the words in the grid.
• Words appear horizontally, vertically, diagonally and backwards. Some words may overlap.
Quiz Question
1. This whizzes around the nucleus, and has a negative charge, so is held to the nucleus by electrical attraction.
2. They are fundamental substances, that cannot be broken down by chemical means, into other substances. Hydrogen and helium make up most of the gases in interstellar space, while carbon, oxygen, and iron also exist.
3. In about 240 BC, this Greek scientist devised a clever method of estimating the Earth’s circumference, by measuring the angles of the Sun at different places.
4. Spiral, elliptical, and irregular, are the three main types of …….
5. The Universal Law of this, was based on Kepler’s three laws, together with Galileo’s work on mechanics, when Isaac Newton was 22 yo.
6. This eclipse occurs when Earth crosses between the moon, and the Sun, casting a shadow onto the moon, and can only occur during a full moon.
7. The area around the Earth that is affected by it’s magnetic field.
8. When a star suddenly becomes many times brighter, it is called a what?
9. The 24th letter of the Greek alphabet, usually used to designate the 24th brightest star in a constellation.
10. This is the gravitationally elliptical path of an object, around a point in space, such as the planets and many satellites in our solar system.
11. These planets, Jupiter, Saturn, Uranus, Neptune and the dwarf planet Pluto, are gaseous and a great distance from the Sun.
12. The region of the atmosphere, about 10 to 30 miles above the surface, the molecules of which are made up of three atoms of oxygen, and shields the Earth from the Sun’s ultraviolet rays.
13. These waves are a long-wave. low-energy radiation.
14. This consists of crater ejecta, of a young moon, that has not yet been darkened by radiation.
15. A heliocentric universe, is the model of the Solar System, in which Earth and the planets do this, around the Sun.
16. A probe whose mission was to chase, go into orbit around, and land on a comet.
17. Any object that orbits a planet, or other large space object.
18. Flares, that are bursts of energy, released by sunsports on the Sun.
19. This is almost a vacuum. an area containing no air, or any other matter.
20. If white light is passed through a glass prism, the light splits up into all the colours of this.
21. These satellites provide information, that is fed into powerful computers, which analyse the Earth’s atmosphere, and help meteorologists study weather patterns around the world, to make forecasts.
22. This is an area of the Sun, hotter than the photosphere, of helium and hydrogen.
23. The smallest part of matter, has three main particles; protons, neutrons, and electrons, and makes up a molecule.
24. A light display, such as the southern and northern lights, in the upper levels of the Earth’s atmosphere, that occurs when subatomic particles from the solar wind, strike air molecules, causing the air molecules to become very agitated, and to emit light.
25. The Sun’s faint hazy outer atmosphere, where huge plumes of gas, called prominences, shoot up into space.
26. This star is actually the brightest, by true brilliance, however, only ranks 19 in order of apparent brilliance, because of its distance from Earth.
27. A combination of two electrically or magnetically charged particles of opposite signs, which are separated by a very small distance.
28. This type of magnet runs on electricity, the strencth of which can be changed by changing the amount of current flowing through it, and the poles can be reversed by reversing the flow of the electricity.
• Find the answers to the quiz in the grid below