Vocabulary
define a complete circuit
a circuit that does allow electricity to pass
What is the first thing you need for an electrical circuit
battery (power source)
what is heat transfer?
the movement of heat between objects
What is the 3rd planet in the solar system
Earth
what is the most famous dwarf planet
pluto
a soft material and one of the best insulators
What are the 3 basic needs to make an electrical circuit
battery, cables, light bulb
what are the 3 methods of heat transfer
radiation, convection and conduction
What planet is very similar to Earth
Venus
the gravitational pull of the moon is?
16 or 0.16
define less
having a smaller amount of something
What is the most important part of a circuit that can start and stop the flow of electricity
switch
how do the 3 methods of heat transfer occur
touching (conduction), waves (radiation) and through liquids/gas (convection)
Name the 8 planets in order
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
a 70kg man on neptune would weigh
a: 83.3
b: 90.3
c: 115.3
83.3
define a terrestrial and jovian planet
one is made of land and the other of gas
name 5 conductors in 15 seconds
metal, iron, nickel, aluminium, copper
name 3 ways conduction happens
fried foods, touching a hot metal, ice cubes
What is the the % of mass from the sun
98%
describe the geocentric model of the universe
the earth is at the centre of the solar system
the exact definition we wrote about the "UNIVERSE"
all of the existing matter and space, scientists believe it was created by the big bang
name 5 insulators in 10 seconds
rubber, plastic, cloth, glass, wood
name 3 ways radiation happens, and 3 ways convection happens in 30 seconds
the sun, fire, microwave
hot air balloon, hot water, water tornadoes
how old is the universe
4.6 billion years
Jupiter, Mars, Pluto and Venus are names for which gods in GREEK mythology
Zeus, Ares, Hades and Aphrodite