Science Unit 1 Chapter 2 - 6th grade

Question 0

What are the 4 inner planets?

Answer 0

Mercury, Venus, Earth, and Mars

Question 1

As the lit portion of the moon becomes smaller the moon is ___________

Answer 1

Waning

Question 2

What 2 planets are between the asteroid belt?

Answer 2

Mars and Jupiter

Question 3

The largest planet is _________.

Answer 3

Jupiter

Question 4

The movement of one solar system object into the shadow of another objects called what.

Answer 4

Eclipse

Question 5

This orbits the sun, is massive enough to be nearly spherical in shape and has no other object in its orbital path

Answer 5

Planet

Question 6

Natural satellite that orbits an object other than a star.

Massive enough to be spherical.

Answer 6

Moon

Question 7

Orbit the sun and are nearly spherical in shape but they share their orbit path with other objects of similar size.

Answer 7

Dwarf planet

Question 8

When the Earth’s rotation axis is tilted directly towards or away from the sun. It also happens in June and Dec when N Roth Pole is towards the sun

Answer 8

Solstice

Question 9

What are the 3 effects the moon’s motion have?

Answer 9

Phases of the moon

Changes in tides

Eclipses

Question 10

A meteoroid because a meteorite only if it impacts Earth. True or False

Answer 10

True

Question 11

Small, rocky objects that orbits the sun.

Answer 11

Asteroids

Question 12

When a meteoroid enters Earth’s atmosphere it produces a streak of light called_____________

Answer 12

Meteor

Question 13

Small rocky particles that move through space is called

Answer 13

Meteoroids

Question 14

As the lit portion of the moon becomes larger.

Answer 14

Waxing

Question 15

Other objects in the solar system formed from leftover gas and dust pulled by gravity into a _________

Answer 15

Disc

Question 16

The periodic rise and fall of the ocean’s surface caused by gravitational force between Earth and the moon and the sun

Answer 16

Tides

Question 17

This occurs when Earth’s rotation axis is tilted neither towards nor away from the sun. Also means equal night

Answer 17

Equinox

Question 18

The spin of an object around its axis

Answer 18

Rotation

Question 19

These 2 planets are known as the twin planets

Answer 19

Earth and Venus

Question 20

The orbit of an object around another object

Answer 20

Revolution

Question 21

Phases of the moon

Answer 21

New moon, waxing crescent, 1st quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent, full moon

Question 22

Small, rocky, icy object that orbits the sun.

As they near the sun the ice melts and the water forms a tail behind the comet.

They extend to the outer solar system.

Answer 22

Comets

Question 23

The distance light travels in one year.

Answer 23

Light year

Question 24

A large spree of hydrogen gas hot enough for nuclear reaction to occur in its core.

Answer 24

Star

Question 25

What is the difference between the inner and outer planets?

Answer 25

The inner planets are small and rocky and rotate slower. The outer planets are larger and rotate faster.

Question 26

What is the Big Bang Theory?

Answer 26

The universe began from one point and has been expanding and cooling ever since. It happened 13-14 billion years ago

Question 27

Huge collection of stars, gas, and dust

Answer 27

Galaxy

Question 28

Astronomers classify galaxies by their shapes. What are the 3 main types/shapes of galaxies?

Answer 28

Elliptical, irregular, and spiral.

Question 29

Stars are different color because of their temperature. What are the colors from coldest to hottest?

Answer 29

``` Blue -hottest Blue white White Yellow Orange Red - is the coolest ```