UNIT 1 - Earth in the Universe

Which galaxy is our Solar System in?. The Milky Way galaxy. The Sunny galaxy. The Big Bang galaxy. The Water Way galaxy.

What are starts made of?. Stones. Gas. Ice. Iron.

All the astronimical objects in a galaxy are constanly moving because of gravity. True. False.

Which planet is the closest to the sun?. Neptune. Venus. Mercury. Jupiter.

Choose the four planets inner to the Sun. Mercury. Venus. Saturn. Earth. Mars. Jupiter. Uranus. Neptune.

Choose the four planets further to the Sun. Mercury. Venus. Saturn. Earth. Mars. Jupiter. Uranus. Neptune.

Mars is larger than Earth, but smaller than Mercury. True. False.

Which planet has more satellites?. Earth. Jupiter. Uranus. Neptune.

What is gravity?. An invisible force that pulls objects together. A small object made of ice dust; usually has a tail. An invisible force that pulls objects apart. A small object made of rock that orbits the Sun.

What is a comet?. An invisible force that pulls objects together. A small object made of ice dust; usually has a tail. An invisible force that pulls objects apart. A small object made of rock that orbits the Sun.

What is a meteorite?. An invisible force that pulls objects together. A small object made of ice dust; usually has a tail. An invisible force that pulls objects apart. A small object made of rock that orbits the Sun.

The ultraviolet radiation is the energy that comes from the Sun; however, it's no dangerous for people. True. False.

The atmosphere protect us from... Comets. Gravity. Asteroids. Ultraviolet radiation.

The size of Earth means it has an atmosphere, which is a protective layer made of... Rocks. Gases. Dust. Ice.

Which planet is the largest?. Jupiter. Earth. Mars. Neptune.

The Earth is constantly moving in two different ways. First, it spins on its azis. Secondly, it orbits the Sun. True. False.

When the Earth on its axis in an anti-clockwise direction is called... Revolution. Rotation.

When the Earth orbits the Sun on an alliptical path is called... Revolution. Rotation.

What happens when The Earth is facing the Sun?. It's cold. It's daytime. It's hot. It's nighttime.

What happens when The Earth is facing away from the Sun?. It's cold. It's daytime. It's hot. It's nighttime.

How long does it take a complete revolution?. 364 days and 6 hours. 365 days and 6 hours. 366 days and 6 hours. 367 days and 6 hours.

How long does it take a complete rotation?. 24 hours. 365 hours. 48 hours. 72 hours.

Which is the direct consequence of revolution?. The succession of day and night. The ultraviolet radiation. The gravity. The succession of the different seasons.

An equinox is when day and night are exactly the opposite length. True. False.

To accurately locate a place on Earth, we use a series of imaginary lines on globe to create a grid. These lines are called... Comets and meteorites. Meridians and parallels. Satellites and comets. Latitude and longitue.

The main parallel is called Greenwich Parallel. True. False.

The main meridian is called Greenwich Meridian. True. False.

Parallel are circular and meridians are... circular too. semicircular. spiral. square.

Meridians are semicircular and parallels are... circular. semicircular. spiral. square.

The geographic coordinate of a place determined by its... proximity to The Sun. latitud and longitude. gravity force. satellites.