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3rd Grade Science Ch 4: Flashcards | StudBud

Explore/3rd Grade Science Ch 4:

3rd Grade Science Ch 4:

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#solar system

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Questions 9

Answers

1
Sceintists once identified Pluto as the 9th planet. Today they call it a dwarf planet. Why?
Scientists today only want eight planets in the solar system
Scientists now know that Pluto is too far away from Earth.
Scientists learned more about how small Pluto is.
Today's scientists don't like Pluto.
2
What is at the center of the solar system
the Sun
the Moon
Jupiter
Earth
3
Which planet does this most likely represent?
Jupiter
Saturn
Earth
Mercury
4
Which of the following statements is true?
The moon orbits Earth.
The Sun orbits the Earth.
Earth orbits the moon.
The Moon orbits the sun.
5
What does a space probe do?
It takes pictures of Earth
it magnifies things that are far away
it sends information to Earth from space.
It carries people into space
6
Where does light and heat on a moon in the solar system come from?
Earth
the Sun
the planet it orbits
itself
7
The length of a day on a planet is determined by
How long it takes to spin, or rotate.
how far it is from the Sun.
How long it takes to orbit the Sun.
how many moons it has
8
Which of the following statements describe the inner planets?
They are made of rock.
They are made of gases.
They are far from the Sun.
They have many moons.
9
Scienctists use this tool to study
things that are very, very far away
things that are too heavy to lift
animals that move very fast
the smallest parts of living things