Definition of gravity

A force that pulls objects towards each other

Correct order of the planets from the Sun.

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

Order of the Moon phases starting with the New Moon.

New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, Waning Crescent

Difference between a lunar and solar eclipse

A lunar eclipse occurs when the Earth is between the Sun and the Moon, casting a shadow on the Moon. A solar eclipse occurs when the Moon is between the Sun and the Earth, casting a shadow on the Earth.

The Summer Solstice and The Winter Solstice

The Summer Solstice is the longest day of the year, occurring when one of the Earth's poles has its maximum tilt toward the Sun. The Winter Solstice is the shortest day of the year, occurring when one of the Earth's poles has its maximum tilt away from the Sun.

Day and night length during an equinox

During an equinox, the length of day and night is approximately equal because the Sun strikes the Earth most directly at the equator.

The position of the Moon affects the height of ocean tides.

Yes, When the Moon is closer, tides are higher, and when it is farther, tides are lower.

What causes the different seasons on Earth?

The tilt of Earth's axis and its orbit around the Sun cause the different seasons.

Why do we always see the same side of the Moon from Earth?

Because the Moon rotates on its axis at the same rate that it orbits Earth, a phenomenon called synchronous rotation.

An equinox is the moment when the Sun is directly above the equator, resulting in nearly equal day and night lengths worldwide.

What is the primary reason for the phases of the Moon?

The phases of the Moon are caused by the changing positions of the Moon, Earth, and Sun, which affect how much of the Moon's illuminated half is visible from Earth.

Why do we experience leap years?

Leap years occur because it takes the Earth about 365.25 days to orbit the Sun, so an extra day is added every four years to keep the calendar year synchronized with the astronomical year.

What is the main reason we have day and night on Earth?

The rotation of Earth on its axis causes day and night.

A small icy body that orbits the Sun and develops a tail when it gets close to the Sun.

A meteor is a streak of light in the sky caused by a meteoroid burning up as it enters Earth's atmosphere.

Why do stars appear to move across the night sky?

Stars appear to move across the night sky because of Earth's rotation on its axis.

What is the Milky Way?

The Milky Way is the galaxy that contains our Solar System.

What causes the seasons on Earth?

The tilt of Earth's axis and its orbit around the Sun cause the seasons, as different parts of Earth receive varying amounts of sunlight throughout the year.

An object that orbits a planet; can be natural, like the Moon, or artificial, like those launched by humans.

A rocky object that orbits the Sun, mostly found in the asteroid belt between Mars and Jupiter.

How does a dwarf planet differ from a planet in terms of its orbit?

A dwarf planet shares its orbital zone with other objects, unlike a planet which has cleared its orbit.

Space and Astronomy Concepts Flashcards

Student preview

41 questions

Show all answers

1.

FLASHCARD QUESTION

Front

The term given to all space and time and their contents

Back

The Universe

2.

FLASHCARD QUESTION

Front

What is the Moon?

Back

Satellite

3.

FLASHCARD QUESTION

Front

After Mars, a large collection of rocks forming a 'belt' are called

Back

Asteroids

4.

FLASHCARD QUESTION

Front

Fact about the Moon

Back

The Moon does not produce its own light; it reflects sunlight

5.

FLASHCARD QUESTION

Front

Galileo's discovery about planets orbiting the sun

Back

Heliocentric model

6.

FLASHCARD QUESTION

Front

The shape of Earth's orbit around the Sun

Back

Oval (elliptical)

7.

FLASHCARD QUESTION

Front

The Earth's axis rotation angle

Back

23.5°

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