Science Crossword

the process by which nuclei of small atoms combine to form a new, more massive nucleus; the process releases energy
colorless, odorless, highly flammable gas, the chemical element of atomic number 1
A cooler,darker area of the photosphere of the sun
He created the theory that the earth is the center of the universe and all the planets orbit it
He created the theory that the sun and moon orbit the earth and the other planets orbit the sun
He created the theory that the planets irbited the sun in elliptical orbits and that the sun is not the center of the universe
The 23.5 degree angle of the earth is what causes seasons on the earth
when the sunlit part of the sun gets larger
When the shadow of the earth falls on the earth
When the moons shadow falls on part of the earth
the difference between levels of ocean water at high tide and low tide.
The time it takes for the earth to rotate on its axis
The time it tskes for the earth to revolve around the sun
about the time it takes for the moon to orbit once around the earth
When the sunlit part of the sun gets smaller
the force that attracts a body toward the center of the earth, or toward any other physical body having mass
The different appearances of the moon due to its changing position
The theory that the earth is at the center of everything
The theory that the sun is at the center of everything
THe period of time when night and day are the exact same length
tides with the largest daily tidal range and occur during the new and full moons, or every 14 days
Natural or artificial bodies that revolve around larger bodies such as planets
the shadow cast by the earth or moon over an area experiencing a partial eclipse
the dark central part of a sunspot.