Where two bones meet
what is a hinge joint?
A force that acts at a distance
what is a non contact force?
How long does it take the earth to do one full orbit of the sun?
What is 1 year (365 days)?
The name for the length of a wave
what is wavelength?
Lemon juice is an example of this
What is an acid?
The organ in the digestive system where most absorption takes place
What is the small intestine
The forces must be this in order for an object to accelerate
what is unbalanced?
A natural satellite of a planet
What is a moon?
Water, electromagnetic waves and light are all examples of this type of wave
What is Transverse?
We could assume that a substance has this Ph if it turned purple/ dark blue when universal indicator was added
what is a ph of 12-14
A biological catalyst
What is an enzyme
state of an object when opposing forces are balanced
what is equilibrium?
The 6th planet from the sun
What is Saturn?
when light waves pass across the boundary between two substances with a different density, (such as air and glass.)
What is refraction?
The symbol you would find on a chemical that is an irritant
what is an exclamation mark?
Releasing energy stores without oxygen
What is Anaerobic Respiration?
The equation to calculate how long an object took to complete a certain distance at a steady speed
What is Time(s)= Distance(m) รท Time(s)
Rock that is formed when magma cools down
what is igneous rock?
This type of lens focuses light rays
What is convex?
An alkali produces these ions
hydroxide (OH-)
The liquid added to food that turns it purple if starch is present
what is iodine?
The pressure (with unit) when 200N of force are applied onto a surface of 2 m2
What is 100 Pa?
The rough percentage of the atmosphere that is nitrogen
What is 80%?
The type of EM radiation that has a longer wavelength that ultraviolet but shorter that gamma rays
What is X-rays?
the two reactants that react to produce sodium nitrate and hydrogen
What is sodium and nitric acid?