An educated guess to explain an observation
What is a hypothesis?
The gradual change in inherited characteristics over many generations.
What is Evolution?
The positively charged particle in the nucleus of an atom.
What is a proton?
Kinetic energy of the wind is converted into electrical energy.
What is the energy conversion of a wind turbine?
What is a galaxy?
Data that is collected by the researcher him- or herself.
What is primary Data
The molecule in Red Blood Cells to which Oxygen binds.
What is haemoglobin?
A change that does not result in the formation of any new substance.
What is a physical change?
The measure of the amount of matter in a body.
What is mass?
When the moon passes into the Earth's shadow
What is a lunar eclipse?
The summary of the results of an experiment
What is a conclusion?
A protein that speeds up chemical reactions in living cells.
What is an enzyme?
A method used to separate inks based on how the solvent travels up specially treated paper.
What is Paper Chromatography?
Speed in a given direction.
What is velocity?
Cosmic Background Radiation, an expanding universe, elemental composition of old galaxies
What is evidence for the Big Bang Theory?
A hypothesis that has been supported by many different experiments
What is a Theory?
The fusion of an egg and sperm
What is fertilisation?
A substance that cannot be split into simpler substances by chemical means.
What is an element?
What is Acceleration?
When the completely dark new moon gets brighter from right to left.
What is lunar waxing?
The variable in an experiment that you measure.
What is a Dependent Variable?
Temperature, light intensity and the concentration of carbon dioxide.
What are the factors that effect photosynthesis?
When a chemical reaction occurs, the total mass of the reactants is always equal to the total mass of the products.
What is the law of conservation of mass?
The use of a resource so that it does not run out.
a barred spiral galaxy
What shape is the Milky Way?