Chemistry
What is an atom?
Basic building block. Smallest unit of matter.
What does photosynthesis provide us with?
Oxygen
What is pluto? And NOT the dog :)
What is a conductor?
An object or type of material that allows the flow of charge (electric current)
What is the element Na?
Sodium
What is a habitat?
Environment where organisms live
What is the smallest planet in our solar system?
Mercury
What is current measured in?
Ampere or Amps
How many states of matter are there?
Four - solid, liquid, gas and plasma
Non-living
What keeps the planets in orbit around the sun?
Gravity
What is the law of repulsion?
Opposite charges attract
Like charges repel
What word can you use to describe when a solid turns into a liquid?
Melting
What is parasitism?
One species benefits at the expense of another
Which two elements is a star made up of?
Hydrogen and helium
What is the difference between a series and a parallel circuit?
Series: electrons have one path to follow.
Direct: electrons have multiple paths to follow.
What two elements is water made of?
Hydrogen and oxygen
Name one major cause of biodiversity loss....
Habitat change; Overexploitation; Pollution; Invasive species; Climate change
Give the order of the planets from the sun outwards..
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
What material is a good insulator?
Plastic, rubber, wood.