Describe some ways in which a meteorite can be distinguished from a terrestrial rock

What will be an ideal response?


Meteorites are usually covered with a dark, pitted crust from their fiery passage through the atmosphere. Some contain enough metal to attract a magnet hanging on a string. The isotopic ratios in meteorites differ from terrestrial rocks and they may also have a higher abundance of rare elements such as iridium than terrestrial rocks.

Physics & Space Science

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Sound waves can interfere with one another so that no sound is produced.

Indicate whether the statement is true or false

Physics & Space Science

A colloid is a ______________ mixture.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

The critical angle is least in

A) glass. B) water. C) diamond. D) vacuum.

Physics & Space Science

A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower end

It starts out vertically from rest and falls, pivoting about the hinge. Just as it has rotated through an angle of 55.0°, what is the downward acceleration of the end farthest from the hinge? A) 5.02 m/s2 B) 8.03 m/s2 C) 9.80 m/s2 D) 12.0 m/s2 E) 19.6 m/s2

Physics & Space Science