Science Chapter 8
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The _____ in the solar system orbit the Sun. | show 🗑
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| The sun and the objects that orbit it make up the ________ | show 🗑
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| show | Sun
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| The Sun is a star made up mostly of ________ gas | show 🗑
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| show | nuclear fusion
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| show | Gravitational
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| Objects that orbit the Sun include planets, dwarf planets, asteroids, and ______. These objects ______ the Suns light. | show 🗑
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| A planet has nearly ______ shape. | show 🗑
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| The mass of a planet is much _____ than the mass of the nearby planets | show 🗑
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| show | eight
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| show | inner planets
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| show | rocky
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| show | outer
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| show | gases
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| show | gas giants
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| A ______ is a spherical object that orbits the Sun, is not the moon or another planet, has less mass than any of the eight planets | show 🗑
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| show | Asteroids
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| A ____ orbits the Sun in an oval- shaped orbit and is made of dust, gas and ice | show 🗑
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| show | astronomical unit
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| One astronomical unit (AU) is the average distance from Earth to the _________ | show 🗑
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| One way an object in the solar system moves is by orbiting, or _______ around another object | show 🗑
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| show | period of revolution
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| show | rotate
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| show | period of rotation
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| The shape of a planets orbit is a _______ which is a stretched out circle | show 🗑
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| The sun is at one of the ______ of the ellipse, so the distance between a planet and the Sun changed as the planet moves | show 🗑
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| A planet moves ____ when it is close to the Sun than when it is farther away | show 🗑
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| A dwarf planet is a sphere that orbits an _____ | show 🗑
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| show | mass
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| show | Pluto
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| show | asteroid-smallest
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| Pluto has a rocky core surrounded by _____. It has ______ known moons. | show 🗑
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| _______ is the largest dwarf planet. It is three times farther from the Sun than the dwarf planet ________ is. | show 🗑
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| show | Kuiper belt
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| Asteroids orbit the sun in a band between ______ and Jupiter | show 🗑
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| The largest asteroid is called _______ | show 🗑
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| Asteroids are chunks of rock and ______ | show 🗑
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| Comets are made up of rocks, ice and ______ | show 🗑
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| ____________ between the particles in a comet holds it together | show 🗑
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| As a comet approaches the Sun, a bright ______ can develop on the comet. | show 🗑
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| The _____ is the solid, inner part of the comet. | show 🗑
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| show | gas
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| Energy from the Sun pushes gas and dust particles away from the nucleus and makes it _____ | show 🗑
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| show | short-period- Kuiper belt
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| _________ comets take more than 200 years to orbit the Sun. They come from the ________ | show 🗑
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| show | meteoroid
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| As it passes through Earths atmosphere, friction with the air makes a meteoroid and the air around it ______ | show 🗑
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| A streak of light in the atmosphere made by a glowing meteoroid is a ________ | show 🗑
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| show | burn up
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| show | meteorite
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| A meteorite can form a bowl shaped depression called an ______ in the surface is strikes | show 🗑
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| show | gases
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| show | liquids
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| ____ is the largest planet in the solar system. | show 🗑
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| although it takes 12 years to revolve around the Sun, Jupiter _____ faster than any other planet. | show 🗑
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| show | rings
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| Jupiter's atmosphere contains helium but is mostly made up of ______ | show 🗑
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| Jupiter's entire structure is made up of about 80 percent hydrogen, about 20 percent ____, and small amounts of other material. | show 🗑
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| show | swirling bands
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| the ____ ____ ___ on Jupiter is a storm that has lasted more than 300 years. | show 🗑
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| show | liquid hydrogen
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| the four largest moons of Jupiter are called _____ ____. these are Io, _____, Ganymede, and Callisto. | show 🗑
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| show | rapidly
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| Saturn is mostly made of ____ and helium. | show 🗑
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| show | ring
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| Saturn has ____ bands of rings, each of which contains thousands of smaller rings. | show 🗑
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| the rings are made mainly of ___ particles. | show 🗑
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| most of Saturn's moons are small, but one of them, ____, is larger than the planet Mercury. | show 🗑
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| show | methane
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| show | ammonia
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| show | core
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| show | tilted
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| Uranus has at least ___ moons and a small ring system. | show 🗑
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| show | Uranus
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| show | 13
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| the inner planets are those closest to the ___. They are also called the _____ _____ | show 🗑
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| the inner planets are made of ___ and metallic materials. | show 🗑
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| the outer layers of the inner planets are in the ____ state. | show 🗑
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| show | Mercury
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| show | atmosphere
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| show | gravity
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| Because Mercury has no wind to move energy from place to place, the temperature on the side of Mercury facing the Sun are always extremely ___. | show 🗑
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| Mercury's surface is covered with impact ____, smooth plains, and high cliffs | show 🗑
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| show | iron-silicon
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| show | Venus
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| show | rotates
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| Unlike most other planets,Venus rotates from ____ to _____ | show 🗑
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| Most of Venus atmosphere is made up of ________ | show 🗑
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| show | clouds
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| The clouds on Venus are made of ____ | show 🗑
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| show | hottest
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| The high temperature on Venus are caused by the _____________ | show 🗑
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| show | atmosphere
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| show | lava
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| The third planet from the Sun is ______ | show 🗑
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| Earths atmosphere is made up of ______ and a mixture of gases. | show 🗑
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| show | greenhouse effect
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| ______ is supported on Earth because of its atmosphere, large bodies of liquid water, and moderate temperature range. | show 🗑
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| Earth has a solid inner core and an _____ outer core. | show 🗑
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| show | mantle
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| show | plates
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| show | crust
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| show | fourth
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| show | two
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| Many probed have examined the surface of Mars; most have looked for signs of ________ | show 🗑
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| show | carbon dioxide
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| show | iron oxide
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| Ice caps on Mars are made up of ice and frozen ______________ | show 🗑
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| show | mountain
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
brookemj1