Chemistry
Physics
Biology
Experimental Design
Earth Science
100
Name the particles in the nucleus of an atom
Protons and neutrons
100
What type of waves can travel through space?
light double points for electromagnetic radiation
100
What word means living
biotic
100
What is the name for something that can change in (or affect) an experiment
variable
100
Where are the oldest rocks found in a layer of sedimentary rocks?
At the bottom.
200
Two liquids reacting to form a solid is called.
Precipitation
200
If the frequency of the wave increases, the wavelength..
decreases
200
What is the name of the organ that passes nutrients to the foetus.
Placenta
200
How many variables should be changed in an experiment?
One
200
What is the name of the supercontinent?
Pangaea
300
elements with the same properties are found in the same ...... of the periodic table
groups
300
What type of circuits are used in houses so that lights stay bright?
parallel
300
What is the name for the model of DNA developed by Watson and Crick?
double-helix
300
Which axis does the independat (predetermined) variable go on?
Y
300
What can be caused by underwater earthquakes or volcanoes
tsunamis
400
What is the pH range of Acids
1-6
400
bending light waves is calloed
refraction
400
the genes of an organism are called the
genotype
400
What is the name of the currents in the mantle that are responsible for moving the tectonic plates?
Convection
500
What is the name of the group of non-metals that stay together during a reaction?
a radical
500
What is the name of the energy supplied by the battery to an electron?
Voltage
500
Darwin and Wallace proposed a mechanism for evolution called ....
Natural Selection
500
Sedimentary rocks contain fossils which can be dated (aged) by
Carbon-14 dating
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