Grade 5 Science ch8

Question Answer
A large object that orbits a star? Planet
A natural object that orbits a planet? Moon
A natural or artificial object in space that circles around another object? Satellite
A mixture of ice, frozen gases, rock, and dust that orbits the Sun Comet
An object in space that produces its own energy, including heat and light? Star
A collection of billions of stars? Galaxy
A force of attraction, or pull, between any two objects? Gravity
An ______ is the path one object takes around another object. Orbit
______ is the tendency of a moving object to keep moving in a straight line. Inertia
A _________ is one complete trip around the Sun. Revolution
One ______ is a complete spin on the axis. Rotation
A ______ of the Moon is the appearance and shape of the Moon as you see it at a particular time. Phase
A _____ ______ occurs when the Moon passes directly between Earth and the Sun. Solar Eclipse
A ______ ______ occurs when the Moon moves into Eartha??s shadow and is no longer reached by direct sunlight. Lunar Eclipse
The area where sunlight is completely blocked. Umbra
Around the umbra, there is and area where light is not completely blocked is? Penumbra
When you are on Earth in the umbra during a solar eclipse, darkness covers the entire face of the sun called? Total Solar Eclipse
If you are on Earth in the penumbra during a solar eclipse, darkness covers only part of the sun, this is called? Partial solar eclipse
The rise and the fall of the oceana??s surface. Tide
A ________ is an instrument that makes distant objects seem larger and nearer. Telescope
Name a telescope that was placed into orbit around Earth in 1990. Hubble Space Telescope
A _____ is a large object that orbits a star. Planet
A _____ _____ is a star and the objects that orbit around it. Solar System
The _____ _____ are closest to the Sun.These planets are Mercury, Venus, Earth, and Mars. Inner Planets
The ______ _____ have surfaces made of gases. These planets are Jupiter, Saturn, Uranus, and Neptune. Outer planets
While moons are natural satellites, people also put objects into space that orbit Earth and other planets, these are called what? Artificial Satellites
A ____ is a mixture of frozen gases, ice, dust, and rock that moves in an elliptical orbit around the sun. Comet
An ______ is a rock that revolves around the Sun. Asteroid
If an object crosses paths with Earth and enters Eartha??s atmosphere, it is called a _______. Meteor
A _____ ____ is a vehicle carrying instruments that is sent to explore objects in space Space Probe
A _____ is an object that produces its own energy, including heat and light. Star
A ______ is a huge cloud of gases and dust. Nebula
A ______ _____ is a small and very dense star that shines with a cooler white light. White Dwarf
Eventually the iron core produces more energy than gravity can hold together, and the start explodes. This is called a ______. Supernova
A ______ ______ is an object that is so dense and has such powerful gravity that nothing can escape from it, not even light Black Hole
People in ancient cultures looked at the night sky, they saw patterns in the stars they called __________. Constellations
A _____-______ is the distance that light travels in a year, or about 5.9 trillion miles. Light-year
A ______ is a huge collection of stars. Galaxy
Causes Higher high tides and lower low tides? Spring Tides
When high tides are higher than usual and low tides are lower than usual it is called? Neap Tides

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