Stars
Stars are massive balls of hot glowing plasma held together by gravity. Our Sun is the nearest star. The stars we see in the night sky belong to the Milky Way galaxy. Stars are mainly made of hydrogen and a smaller amount of helium, and very small quantities of other elements like oxygen, carbon, neon, and nitrogen. Stars shine due to thermonuclear fusion in their core releasing energy that eventually radiates into the outer space.
Play Quiz Games :| Grades | Quiz Games (with special printable formats for classroom use) | ||
|---|---|---|---|
| 5th - 12th | Types of Stars | Stars, Galaxies Quiz | Quiz on the Sun, #1 |
| Life Cycle of Stars | Layers of the Sun | Quiz on the Sun, #2 | |
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Science Games, Diagrams & Activities :  Label the Types of Astronomical Objects |  Jigsaw Puzzles |  Slide Puzzles |
 Vocabulary Games - Types of Stars, The Sun, Solar System, Astronomical Objects | ||
 Flow Chart Games - Life Cycle of a Star | ||
Pictures & School Presentations : 
| Presentations on Stars : |
Science Videos & Lessons: (Reviewed by K-12 teachers) Seeing Stars Grades: All The video looks through a telescope's lens for a closer look at planets and star clusters. 6:35 |
Tell Me Why: Stars Twinkle Grades: All Have you ever wondered why stars twinkle? Find out in this video. 2:30 |
The Beauty Of Stars Being Born Grades: All Explore new Hubble Space Telescope images of star birth in the Orion Nebula, and animations illustrating how it happens. 4:35 |
Inside our Sun - A Deeper Look Grades: All Explore the closest star - our Sun. 4:55 |
The Life and Death of Stars Grades: All A video clip on life cycle of stars - from birth to their eventual collapse. 8:40 |
Supernovas: When Stars Die Grade: 3 - 12 Learn about supernova. At the end of its life, an exploding star leaves behind a debris field of stellar material and high-energy particles known as a supernova remnant. Supernova remnants are responsible for seeding dust and gas clouds that give rise to a new generation of stars and planets. 4:40 |
What's a Supernova and Where Can I See One? Grade: 5 - 12 When a star explodes, it dazzles the whole galaxy, and beyond. Watch this clip to learn about an exploding star in the nearby galaxy M82. 3:15 |
Star Light Grade: 3 - 12 A presentation on stars, starlight and stellar parallax. Learn how parallax on an interstellar scale helps us find distance to the stars. 9:15 |
3 Questions: Star Dating Grade: 3 - 12 The video unlocks the mysteries of stars and finds out why a star's age matters. 2:50 |
Nebula and Star birth Grade: 5 - 12 The presentation looks at a nebula - an interstellar cloud of dust and ionized gases. Nebulae are often regions where new stars are born. 6:10 |
Neutron Stars - Death Star Grade: 5 - 12 Take a closer look at the massive density of a neutron star as it drifts through space. Scientists explain how the Earth could be affected by an explosion from a neutron star within our galaxy. 3:40 |
Red Shift: Measuring Distance in Space Grade: 5 - 12 In this video, scientists try to find the distance and speed of gamma ray bursts. Learn how astronomers go about finding where in the universe these explosions are happening. 3:50 |
Cassiopeia A Supernova - Expanding Grade: 5 - 12 Take a look at the Cassiopeia A supernova remnant, seen expanding over a period of seven years. 2:00 |
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