Earth & Space Terms

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gravity

A force of attraction, or pull, between any object and any other object around it?

heat and light

A star is an object in space that produces its own what?

70%

About how much of Earth's surface is covered by oceans?

planet

Any of the eight large bodies that travel around the Sun and shine by reflecting its light?

third

Earth is the ______________________ planet from the sun?

the stars are much farther away than our star (the Sun)

From Earth, we see the Sun in the day sky and other stars in the night sky. Night-time stars look like tiny points of light. Which statement explains why night-time stars appear so much smaller than the Sun?

24 hours

How long does Earth to rotate one time on it's axis?

365 days or 1 year

How long does it take Earth to complete one revolution around the Sun?

one

How many stars do we have in our solar system?

about one half

How much of Earth experiences night-time at the time as day-time?

Earth has lots of water

In many ways, Earth is like other planets in the Solar System. In Which way is Earth different?

the closest star to the Earth, one of a billion stars, part of the Milky Way Galaxy

Our Sun is what?

solar system

The Sun and the objects that are traveling around it?

Inner planets are mostly solid and outer planets are mostly gas

The diagram shows the planets in our solar system. What are the compositions (the inner makeup) of the inner planets and outer planets based on their location in our solar system?

July 1

The figures show the Sun's rays shining on Earth's surface in Ohio. Figures 1, 2, and 3 show the same time of day, but on different dates. Which date would go in Figure 1?

October 1

The figures show the Sun's rays shining on Earth's surface in Ohio. Figures 1, 2, and 3 show the same time of day, but on different dates. Which date would go in Figure 2?

January 1

The figures show the Sun's rays shining on Earth's surface in Ohio. Figures 1, 2, and 3 show the same time of day, but on different dates. Which date would go in Figure 3?

B

Using lines and arrows to show how objects revolve around another, which diagram shows the correct labeling of the Earth, Moon, and Sun?

the rotation of the Earth on its axis

What causes day and night?

the tilt of the Earth's axis and the revolution of the Earth around the Sun

What causes seasons?

the moon's orbit around Earth

What causes the phases of the moon?

water

What covers most of Earth's surface?

spherical

What is Earth's Shape?

moon

What is a natural object that revolves around a planet?

star

What is a sphere of hot, glowing gases that give off its own light and is held together by gravity?

axis

What is an imaginary line passing through the center of a planet, that the planet spins around?

revolution

What is one orbit of an object in space around another object in space?

about a month

What is the length of the moon's phases?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

What is the order of the planets?

orbit

What is the path an object follows as it revolves around another object?

rotation

What is the spinning of a planet, moon, sun, or other objects, around its axis?

inertia

What is the tendency of a moving object to keep moving in a straight line?

atmosphere

What is the thick blanket or air called that surrounds the Earth?

planets, the Sun, moons, and asteroids

What objects are in our solar system?

75%

What percent is Earth covered by water and ice?

Summer

What season occurs in the Northern Hemisphere at diagram A?

Sun

What star that is in the center of our solar system?

Object 1

Which object is a moon?

diagram A

Which part of the diagram shows the flagpole's shadow at 7:00pm on a summer evening?


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