Science space quiz

Match the following

• Solar System

• any object that exists in space

• Satellite

• the closed path of a celestial object or satellite as it travels around another celestial object

• Orbit

• everything that exists, including all energy, matter, and space

• Celestial object

• the Sun and all the objects that travel around it

• Universe

• a celestial object that travels around a planet or dwarf planet

Match the following

• Galaxy

• a massive collection of gases, held together by its own gravity and emitting huge amounts of energy

• Moon

• is a type of satellite: a celestial object that travels around a planet or dwarf planet in a closed path.

• Astronomy

• a huge, rotating collection of gas, dust, and billions of stars, planets, and other celestial objects

• Star

• a large, round celestial object that travels around a star

• planet

• is the scientific study of what is beyond Earth

Match the following

• Solar system

• Are luminous , means produce light

• Terrestrial planets

• Only visible because they reflect light from the sun

• Stars

• These planets have hard and rocky surfaces

• Gas giants

• These planets are composed of mostly gases and liquids

• Planets and the moon

•  is the sun and all of the planets that orbit the sun.

Write the planets in order from closest to the sun to farthest away

Answer explanation

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune

Write 3 facts about Earth

Answer explanation

#1: earth is the 3rd planet from the sun

#2: 5th largest planet in the solar system

#3: terrestrial planet composed of mostly rock

#4: Earth is in constant motion and orbits the sun

Important facts! Sort the facts into their proper category

Groups:

(a) Stars

,

(b) Planets

,

(c) Moon

,

(d) Galaxies

• non-luminous

• Found everywhere in the sky

• very far from earth

• Is a natural type of satellite

• ours is called the milky way

• Occur along the sun's pathway

• appears as a hazy band of white light

• relatively close to earth

• can be bigger than earth but not bigger than the sun

• Luminous

• is actually 4 times smaller than earth

• appears big and bright due to its proximity (closeness) to earth

• don't twinkle and can be coloured

• Appear to twinkle and appear white

• very large, some are bigger than the sun

• non-luminous but we can see it because it reflects light from the sun

• large collections of stars, dust, gas and planets

• always very hot

• contains 200 billion stars

Match the following

• Eclipses

• the force of attraction between all masses in the Universe. The greater the mass of an object, the stronger its gravitational force

• Gravitational Force

• the changing direction of Earth’s axis. Similar to a spinning top

• Precession

• an astronomical event that occurs two times each year, when the tilt of Earth’s axis is most inclined toward or away from the Sun, causing the position of the Sun in the sky to appear to reach its northernmost or southernmost extreme 

• Solstice

• the time of year when the hours of daylight equal the hours of darkness

Match the following

• Rotation

• the average distance between an object in the Solar System and the Sun

• Earth's rotation

• 24hrs or 1 day

• Revolution

• This means to spin.

• Orbital radius

• 365 days or 1 year

• Earth's revolution

• This means to travel all the way around another object.

The earth is closest to the sun around (hint: what month and day):

(a)  

The earth is farthest to the sun around (hint: what month and day):

(a)