The Solar System And Beyond Lesson 1

Question 1

Orbit

Answer 1

The path one object travels around another object.

Question 2

Gravity

Answer 2

The force of attraction between any two objects due to their mass.

Question 3

Inertia

Answer 3

The tendency of on object to keep moving in a straight line.

Question 4

Revolution

Answer 4

One complete trip of one object around another object.

Question 5

Rotation

Answer 5

A complete spin on an axis.

Question 6

Telescope

Answer 6

An instrument that makes distant objects seem bigger.

Question 7

The Sun and all objects that orbit around it is called the ____________.

Answer 7

Solar system

Question 8

A __________ is any object that orbits another larger body.

Answer 8

satellite

Question 9

A ______ is a large, round object in space that orbits a star.

Answer 9

planet

Question 10

________is the 1st planet from the Sun.

Answer 10

Mercury

Question 11

_______ is the 2nd planet from the Sun.

Answer 11

Venus

Question 12

_____ is the 3rd planet from the Sun.

Answer 12

Earth

Question 13

_____ is the 4th planet from the Sun.

Answer 13

Mars

Question 14

________ is the 5th planet from the Sun.

Answer 14

Jupiter

Question 15

_______ is the 6th planet from the Sun.

Answer 15

Saturn

Question 16

_______ is the 7th planet from the Sun.

Answer 16

Uranus

Question 17

________is the 8th planet from the Sun

Answer 17

Neptune

Question 18

______ planets are made up of rock and ice and their orbits cross the paths of other space objects.

Answer 18

Dwarf

Question 19

The ____ is the center of the Solar System.

Answer 19

Sun

Question 20

_______ and _______ keep the Earth, and all the other planets, in orbit around the Sun.

Answer 20

Gravity and inertia

Question 21

The _______ is the only natural satellite of the Earth.

Answer 21

moon

Question 22

The moon’s gravity affects the Earth because it causes the Earth’s ________.

Answer 22

tides

Question 23

When half of the Earth’s surface faces the Sun, we are having __________.

Answer 23

daylight

Question 24

When half of the Earth’s surface faces away from the Sun we are having _________.

Answer 24

darkness

Question 25

__________________ is the way something seems to move.

Answer 25

Apparent motion

Question 26

As the Earth rotates from West to East, objects appear to move from ______ to _____.

Answer 26

East to West

Question 27

The Sun does not _______.

Answer 27

move

Question 28

Earth’s orbit around the Sun takes _________ days or one year.

Answer 28

365 1/4

Question 29

The ________ happen because of both Earth’s tilted axis and it’s revolution around the Sun.

Answer 29

seasons

Question 30

When the Northern Hemisphere tilts away from the Sun, it is having _________ and the Southern Hemisphere is having ________.

Answer 30

Winter and Summer

Question 31

When the Northern Hemisphere tilts toward the Sun, it is having _________ and the Southern Hemisphere is having _________.

Answer 31

Summer and Winter

Question 32

The Northern Hemisphere’s Summer solstice occurs around ___________ each year.

Answer 32

June 21st

Question 33

The Northern Hemisphere’s winter solstice occurs around ______________.

Answer 33

December 21st