DIFFERENTIATING COMETS, METEOROIDS, ASTEROIDS
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Warm up activity on asteroids, comets and meteoroids
Topics of this game:
- The solid core of the comet.
- The cloud of dust and gases surrounding the solid core of the comet.
- As the comet approaches perihelion, the ___________ gets smaller.
- The fragments of rocks with size ranging from dust particles to 10 m.
- The small fragmented rock which survived burning in the atmosphere and landed on the surface of the earth.
- The velocity of comets ___________________ as they approach aphelion.
- They are also called planetoids.
- The cosmic snowballs with highly elliptical orbit.
- The bluish tail of the comets which is characterized by charged particles of gases.
- Smaller space rocks that burn in the atmosphere creating the streaks of light in the sky.
