Biology
what is the body’s largest organ?
skin
What is a catalyst?
A catalyst is a substance that speeds up a chemical reaction, without itself being consumed during the reaction.
What is another name for the water cycle?
Hydrologic cycle
Which is faster light or sound?
Light
what is something a plant cell may have, that and animal cell may not?
cell wall, large vacuole, chloroplasts
This element has the chemical symbol "Au" and is often used in jewellery.
Gold
What are the three main types of rock?
Igneous, sedimentary and metamorphic
What si unit measures current?
Ampere (A)
which area of the brain controls the heart ?
medulla oblongata
Dry ice skips the liquid phase and goes directly from solid to gas. This process is called what?
Sublimation
What does ITCZ stand for?
The Intertropical Convergence Zone
What is the watt?
It’s the SI measurement for power.
What is the function of the white blood cells?
To fight off bacterial/viral infection
To engulf pathogens
When an acid and a base react together, they form water and this..
A Salt
What is Urbanisation?
It is the movement of people from rural areas to urbanised areas like towns and cities.
Who discovered gravity?
Isaac Newton
What is the difference between osmosis and diffusion?
Diffusion is the movement of particles from an area of high concentration to an area of low concentration, whereas osmosis is the movement of water molecules from an area of high concentration to an area of low concentration.
When salt is dissolved in water, the salt is called the solute and the water is called this.
Solvent
What are the 5 major lines of Latitude?
Equator, Tropic of Cancer, Tropic of Capricorn, Arctic Circle, Antarctic Circle
What is Newton’s Third Law of Motion?
This law states that for every action, there is an equal and opposite reaction.