Read the passage carefully and answer the questions, choosing the right option each.
What’s that flash of light streaking across the sky? We call the object that creates this brilliant effect by different names, depending on where it is.
Meteoroids are what we call “space rocks” that range in size from dust grains to small asteroids. This term only applies when they’re in space.
Most are pieces of other, larger bodies that have been broken or blasted off. Some come from comets, others from asteroids, and some even come from the Moon and other planets. Some meteoroids are rocky, while others are metallic, or combinations of rock and metal.
When meteoroids enter Earth’s atmosphere, or that of another planet, like Mars, at high speed and burn up, they’re called meteors. This is also when we refer to them as “shooting stars.” Sometimes meteors can even appear brighter than Venus -- that’s when we call them “fireballs.” Scientists estimate that about 48.5 tons (44,000 kilograms) of meteoritic material falls on Earth each day.
When a meteoroid survives its trip through the atmosphere and hits the ground, it’s called a meteorite.
Questions: 5x1=5
What are ‘space rocks”?
Meteors; (b) comets; (c) meteoroids; (d) stars
Most meteoroids which are broken were…………bodies
Smaller; (b) larger; (c) bright; (d) tiny
Pieces of meteoroids come from------------
Moon; (b) stars; (c) comets; (d) all the above
Meteors are…………
Mars; (b) burnt particles of meteoroids (c) ashes of burst comets; (d)rays
Which is/are brighter?
‘Fireballs’; (b) Venus; (c) Sun; (d) meteoroids
Answers
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Answer:
(1) METEOROIDS
(2) TINY
(3) ALL THE ABOVE
(4) BURNT PARTICLES OF METEOROIDS
(5) SUN
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