Electromagnetic forces can be either attractive or repulsive.
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The ________ planets are large bodies in the outer solar sys…
The ________ planets are large bodies in the outer solar system with compositions like the Sun’s.
Today which of these theories seems to best explain the Moon…
Today which of these theories seems to best explain the Moon’s origin?
A dense, hot body will give off a(n) _________ spectrum.
A dense, hot body will give off a(n) _________ spectrum.
Some meteorites are believed to have come from Mercury.
Some meteorites are believed to have come from Mercury.
When an electron moves from a low to higher energy state, a…
When an electron moves from a low to higher energy state, a photon is __________.
The age of the solar system is determined with ________ dati…
The age of the solar system is determined with ________ dating.
Spring tides occur at new and full moons, when the Moon and…
Spring tides occur at new and full moons, when the Moon and Sun are aligned with the Earth.
The most energetic photons are __________.
The most energetic photons are __________.
The tidal pull of the Moon is an example of a differential f…
The tidal pull of the Moon is an example of a differential force, as the near and far sides of the earth do not experience the same gravitational pull of the Moon.