6th Grade Milestones Review: Astronomy

Question 1

This is a large, rocky body found in space, orbits the sun in a belt between Mars and Jupiter.

Accepted Answer

Asteroid

Question 2

The lunar phase when the lit portion of the Moon is greater than half but not a full Moon.

Accepted Answer

Gibbous

Question 3

Imaginary line around which Earth rotates. Earth has a tilt of 23.5° which helps create seasons

Accepted Answer

Earth Axis

Question 4

This is when you see just a thin sliver of the moon.

Accepted Answer

Crescent

Question 5

An object which orbits around another celestial body in space, can be natural or artificial.

Accepted Answer

Satellite

Question 6

This is one of billions of galaxies in the observable universe and it is our home galaxy.

Accepted Answer

Milky Way

Question 7

the period of time it takes for earth to make a complete rotation on its axis

Accepted Answer

Day

Question 8

A massive, gravitationally bound system consisting of stars, gas and dust, and dark matter.

Accepted Answer

Galaxy

Question 9

When the Moon passes through the Earth's shadow, only when the Sun, Earth, and Moon are aligned

Accepted Answer

Lunar Eclipse

Question 10

This is a phase of the moon where the moon appears to be getting smaller.

Accepted Answer

Waning

Question 11

The spinning of our planet on its axis, takes 24 hours and is responsible for day and night.

Accepted Answer

Rotation

Question 12

Astronomer to propose the heliocentric model of the solar system.

Accepted Answer

Copernicus

Question 13

When the Moon passes between the Sun and the Earth, the Sun is partially/completely obscured.

Accepted Answer

Solar Eclipse

Question 14

This is a scientific conclusion based on much supporting evidence.

Accepted Answer

Theory

Question 15

Lunar phase that occurs when the Moon lies between Earth and the Sun, the Moon is not visible

Accepted Answer

New Moon

Question 16

This is the Sun and the celestial objects bound to it by gravity.

Accepted Answer

Solar System

Question 17

This is when a phase of the moon appears to be getting larger.

Accepted Answer

Waxing

Question 18

When a meteoroid or asteroid enters Earth's atmosphere and becomes visible.

Accepted Answer

Meteor

Question 19

This is all matter and energy

Accepted Answer

Universe

Question 20

This is a natural satellite that orbits a planet or smaller body, which is called the primary.

Accepted Answer

Moon

Question 21

Theory that the universe was created about 4 to 5 billion years ago from expanding matter.

Accepted Answer

Big Bang

Question 22

This is the model of the solar system with the sun at the center.

Accepted Answer

Heliocentric

Question 23

The appearance of the illuminated portion of the Moon as seen by an observer, usually on Earth.

Accepted Answer

Lunar Phase

Question 24

Part of the Earth's stratosphere which contains relatively high concentrations of O3.

Accepted Answer

Ozone Layer

Question 25

This is the elliptical orbit of the Earth around the Sun, takes 365 days to complete one orbit.

Accepted Answer

Earth Revolution

Question 26

"Dirty Snowball" that orbits the Sun and when close to the sun exhibit a small tail of ice.

Accepted Answer

Comet

Question 27

Astronomer who found speed of gravity, discovered Jupiter's moons, and improved the telescope.

Accepted Answer

Galileo

Question 28

This is when the Moon is positioned directly opposite the Sun.

Accepted Answer

Full Moon

Question 29

This is the path which one body follows around another body in space.

Accepted Answer

Orbit

Question 30

The different layers of gases that extend from the surface of the Earth into space.

Accepted Answer

Atmosphere

6th Grade Milestones Review: Astronomy

Questions 30

6th Grade Milestones Review: Astronomy

Questions 30