Space

Question 1

What is newtons 3rd law

Answer 1

For every action there is an equal but opposite reaction

Question 2

List what life support systems must have

Answer 2

Food, water, air, correct temperature and correct air pressure

Question 3

What does an ion drive do

Answer 3

Creates thrust by accelerating ions with electricity and projects the spacecraft very far

Question 4

What waves are used to understand the universe

Answer 4

Electromagnetic

Question 5

Detector of radio and tv wave

Answer 5

Aerial and radio telescope

Question 6

Detector of microwaves

Answer 6

Aerial and microwave reader

Question 7

Detector of infrared

Answer 7

Photodiode and infrared telescope

Question 8

Detector of visible light

Answer 8

Your retina and refracting telescope

Question 9

Detector of ultraviolet

Answer 9

Fluorescent materials

Question 10

Detector of X-rays

Answer 10

Photographic film

Question 11

Detector of gamma rays

Answer 11

Photographic film and Geiger counter

Question 12

How old is the universe

Answer 12

14 billion years

Question 13

What is the force that pushes matter apart

Answer 13

Dark energy

Question 14

Challenges of space travel

Answer 14

Travelling long distances in space, manovering in 0 friction, maintaining sufficient energy to operate life supporting systems

Question 15

Why is there no friction in space

Answer 15

Space is a vacuum

Question 16

Risks of space exploration

Answer 16

The fuel on board

Question 17

How to lesson exposure of radiation

Answer 17

The length of the space mission, selection of the crew, radiation shielding, drugs and supplements to lesson the effects of

Question 18

Is there air particle in space

Answer 18

No therefore there is no pressure

Question 19

When was the Hubble telescope launched

Answer 19

1990

Question 20

What does the Hubble telescope do

Answer 20

Provides scientists with great images and information about the age of the universe and black holes

Question 21

What is space defined as

Answer 21

The void between all celestial bodies

Question 22

What is the closest planet to the sun

Answer 22

Mercury

Question 23

What does every element produce

Answer 23

A line spectra

Question 24

What is a star

Answer 24

A large ball of matter that is undergoing nuclear fusion and emitting light and other forms of electromagnetic radiation

Question 25

How far is a light year

Answer 25

9.5x10 to the power of 15 m

Question 26

Describe the Big Bang theory

Answer 26

States that all current and past matter in the universe came into existence at the same time from a small point of energy that exploded from extreme force

Question 27

What are the three types of spectrum

Answer 27

Continuous spectrum, line absorption spectra and line emission spectra

Question 28

How do you determine the elements in a star

Answer 28

All elements emit a unique line spectrum, we can find this through spectroscopy and by visually lining these line spectra

Question 29

What is a satellite

Answer 29

An object in space that orbits around a larger object

Question 30

How do you calculate the distance light years

Answer 30

Distance (light years) = speed (speed of light 3x10to the 8 ms-1) x time

Question 31

List the uses of satellites

Answer 31

Telescopes and detectors of space exploration, global positioning systems (gps), satellite television allowing broadcasting to reach homes around the world and weather forecasting

Question 32

What is a moon

Answer 32

A natural satellite that orbits a planet or a large body in space that is not a star

Question 33

Solutions to the challenges of space travel

Answer 33

Large distances can be travelled using an ion drive, you can catapult a space craft by utilising the gravity of a large object such as a moon or an asteroid, energy can be generated on a spacecraft using solar cells

Question 34

What is the period and altitude of a geostationary satellite

Answer 34

Period is 24 hours Altitude is 36,000 km

Question 35

How does the period of a satellite change with an altitude of the satellite

Answer 35

The higher the altitude, the greater the period

Question 36

What is a planet

Answer 36

A large ball of matter that orbits a star

Question 37

What is an exoplanet

Answer 37

A planet existing outside of our solar system

Question 38

What is a dwarf planet

Answer 38

planet an object that orbits a star, but is not large enough or roughly spherical enough to be classified as a small planet

Question 39

What is an asteroid

Answer 39

An orbiting object that is even smaller than a dwarf planet