Physics
Chemistry
Biology
100
Who is credited with discovering electromagnetism? a)Michael Faraday b)Percy Spencer c)Nikolai Tesla d)Thomas Edison e)Marie Curie
a)Michael Faraday
100
Which is the odd one out? a)Polonium b)Boron c)Silicon d)Arsenic
a)Polonium
100
What types of organisms are considered decomposers? a)Plants and algae b)Bears and wolves c)Bacteria and fungi d)Jellyfish and sea stars
c)Bacteria and fungi
200
Which electromagnetic radiation possesses the highest potential harm to humans? a)Gamma rays b)X-rays c)Infrared d)Radio waves e)Microwaves
a)Gamma rays
200
Pick the correct combination of properties of most covalent compounds. a)Non-conductor Low melting points b)Conductor Low melting points c)Conductor High melting points d)Non-conductor High boiling points
a)Non-conductor Low melting points
200
What characteristic of HIV enables it to escape from control of the immune system? a)HIV is a tropic virus b)HIV is a retro virus c)HIV causes AIDS d)HIV only attacks certain cells e)HIV constantly mutates
e)HIV constantly mutates
300
Which of the following involves nuclear fission? a)Atomic bombs b)Alcohol production c)Nuclear reactors d)Hydrogen bombs
a)Atomic bombs and c)Nuclear reactors both
300
Removing metal ores from the ground usually involves mining. Which of the following is NOT an environmental impact of mining? a)Loss of habitat b)Increase in global warming c)Damage to the ozone layer d)Noise pollution
c)Damage to the ozone layer
300
This is the organ that monitors blood glucose levels. a)Pancreas b)Liver c)Brain d)Kidney
a)Pancreas
400
How do microwaves heat food? a)Microwaves cause polar particles to vibrate back and forth. This movement causes a lot of friction and thus a lot of heat b)Microwaves bounce back and forth inside an oven. This movement causes the heat to rise up rapidly c)Microwaves rip electrons off of molecules. This violent reaction causes a lot of energy d)Microwaves excite electrons in food particles to another orbital level This excitation causes a lot of thermal energy
a)Microwaves cause polar particles to vibrate back and forth. This movement causes a lot of friction and thus a lot of heat
400
What carbon isotope is used in carbon dating to study the age of rock and other samples? a)Carbon 12 b)Carbon 14 c)Carbon 6 d)Carbon 239
b)Carbon 14
400
What do white blood cells use to protect us against pathogens? a)Antibodies b)Platelets c)Mucous d)Auxin
a)Antibodies
500
What principle is used in the electrical generator? a)Moving magnets produce electrical forces b)Mechanical energy is converted to magnetic energy c)Moving electric charges produce magnetic field d)Moving electric charges produces kinetic energy e)Moving magnets produces kinetic energy
a)Moving magnets produce electrical forces
500
Which of the following was not a feature of Dmitiri Mendeleev's Periodic Table? a)Organised by Atomic Number b)Organised by Atomic Weight c)Gaps were left for undiscovered elements d)Elements were swapped if they fitted in better e)He only had 62 elements to work with
a)Organised by Atomic Number
500
What might you develop if you are overweight? a)Kidney disease b)Type 1 diabetes c)Type 2 diabetes d)Lung disease
c)Type 2 diabetes
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