Planets - Sheet1

Question 1

Mercury

Answer 1

What is the smallest planet?

Question 2

Venus

Answer 2

Which planet is covered with clouds?

Question 3

Earth

Answer 3

Which planet is the only one with liquid water and an atmosphere that allows life?

Question 4

Mercury

Answer 4

Which planet is closest to the sun?

Question 5

Mars

Answer 5

Which planet is known as the red planet?

Question 6

Venus

Answer 6

Which planet is the hottest?

Question 7

patterns

Answer 7

Objects in the sky have ________________ of motion.

Question 8

orbit

Answer 8

The path a planet takes around the sun is called an _______________.

Question 9

rotation

Answer 9

Night and day are caused by the _______ of the earth.

Question 10

east/west

Answer 10

The sun appears to move across the sky from ___________ to __________.

Question 11

star

Answer 11

The sun is a medium-sized ____________.

Question 12

sun

Answer 12

The ________________ has most of the mass of our solar system.

Question 13

energy

Answer 13

The sun is the major source of ____________ for the earth.

Question 14

planet

Answer 14

A _________________ is a ball of rock or gas that orbits a star.

Question 15

rocky

Answer 15

The four inner planets are called _________ planets.

Question 16

the sun

Answer 16

What is the center of our solar system?

Question 17

Jupiter

Answer 17

Which planet is the largest?

Question 18

Saturn

Answer 18

Which planet is best know for its rings?

Question 19

Jupiter

Answer 19

Which planet has a red spot?

Question 20

Uranus

Answer 20

Which planet spins like a top on its side?

Question 21

Neptune

Answer 21

Which planet is farthest from the sun?

Question 22

asteroids

Answer 22

Small rocky objects in space that orbit the sun are called ______________.

Question 23

telescope

Answer 23

A tool that helps us see objects that are far away is called a ______________.

Question 24

constellations

Answer 24

Stars appear to form patterns in the sky called _______________.

Question 25

astronomers

Answer 25

People who study the stars and planets are called \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.

Question 26

gas giants

Answer 26

The four inner planets are called rocky planets. What are the four outer planets called?

Question 27

Mars and Jupiter

Answer 27

What two planets have an asteroid belt between them?

Question 28

Pluto

Answer 28

What dwarf planet was once classified as a planet?

Question 29

Venus

Answer 29

What is the hottest planet?

Question 30

Mercury

Answer 30

Which planet is the closest to the sun?

Question 31

Mercury

Answer 31

What is the smallest planet?

Question 32

Venus

Answer 32

Which planet is covered with clouds and second from the sun?

Question 33

Earth

Answer 33

Which is the only planet with liquid wate and an atmosphere that allows life?

Question 34

Mars

Answer 34

Which planet is red?

Question 35

Saturn

Answer 35

Which planet is best known for its rings?

Question 36

Uranus

Answer 36

Which planet spins on its side?

Question 37

the sun

Answer 37

What is the major source of energy for the earth?

Question 38

the earth's rotation

Answer 38

What causes night and day on the earth?

Question 39

an imaginary line that Earth spins around as it rotates

Answer 39

axis

Question 40

the path of one object in space around another object

Answer 40

orbit

Question 41

a device people use to observe distant objects with their eyes

Answer 41

telescope

Question 42

any natural body that revolves around a planet

Answer 42

moon

Question 43

the different shapes that Earth's moon seems to have

Answer 43

phase

Question 44

The _________ \_\_\_\_\_\_\_\_,(about June 21st in the Northern Hemisphere) is the day of the year that has the most sunlight.

Answer 44

summer solstice

Question 45

The __________ \_\_\_\_\_\_\_\_\_,(about December 21st) is the day that has the most hours of darkness.

Answer 45

winter solstice

Question 46

The ______ \_\_\_\_\_\_\_\_\_(about September 21st) and the _______ \_\_\_\_\_\_\_(about March 21st) are the days the hours of daylight and darkness are the same.These dates mark the beginning of autumn and of the spring.

Answer 46

autumn equinox

Question 47

Dark areas on the Moon's surface are large flat areas called \_\_\_\_\_\_\_\_.

Answer 47

mares

Question 48

Is the Italian word for sea

Answer 48

mare

Question 49

The moon's surface is \_\_\_\_\_\_\_,\_\_\_\_\_\_\_, and full of \_\_\_\_\_\_\_\_\_\_. It has __________ and\_\_\_\_\_\_\_\_\_,smooth areas and hilly ones. There is no ________ water.

Answer 49

rocky

Question 50

Why does the moon have more craters than the Earth?

Answer 50

Unlike Earth,which has a thick layer of air around it,the moon has no atmosphere to protect it, so the rocks from space crash into it.

Question 51

\_\_\_\_\_\_\_\_\_\_ are low areas with high rims that form when rocks and other objects crash into the moon.

Answer 51

craters

Question 52

Why do craters last a long time on the moon?

Answer 52

There is no water to wear the rims down.

Question 53

\_\_\_\_\_\_\_\_\_\_ is a small planetlike body that revolves around Earth, instead of the Sun.

Answer 53

Moon

Question 54

When the moon is visible at night,why can we see it?

Answer 54

Light from the sun reflects from the moon.

Question 55

The phases of the moon follow the same pattern about every __________ days.

Answer 55

29 1/2

Question 56

Phases of the Moon

Answer 56

New Moon-----First Quarter-----Full Moon-----Third Quarter----New Moon

Question 57

On one of those days,all of the lit side of the moon can be seen from Earth. When this happens, we say there is a _________ \_\_\_\_\_\_\_\_.

Answer 57

full moon

Question 58

When we see none of the lit side of the moon at all, on that night, the moon is called a _____ \_\_\_\_\_.

Answer 58

new moon

Question 59

What occurs after three years have 365 days each?

Answer 59

Leap Year

Question 60

Most calenders are based on the _______ year.

Answer 60

solar

Question 61

Every four years we have a __________ year

Answer 61

Leap