What do we call the doctor who specializes in reading X-rays?
a radiologist
What natural product is most often used in manufacturing plastics?
petroleum (crude oil)
What kind of chip makes a computer work?
a microchip
What green material in plants draws energy from the sun?
chlorophyll
Is a spider classified as an insect, a crustacean or an arachnid?
an arachnid
The inside of a lightbulb is a vacuum. True or false?
true
Who discovered the law of gravity?
Isaac Newton
Were microscopes invented in the 1600s, 1800s or 1900s?
1600s
Does lightning cause thunder or thunder cause lightning?
Lightning causes thunder.
A person who is diabetic should not eat foods containing ... what?
sugar
What is your body's largest organ?
the skin
Which is a cardiovascular exercise: jumping rope or lifting weights?
jumping rope
What colour absorbs the most sunlight?
black
Are the worker bees male or female?
female
What natural phenomenon creates sand dunes?
the wind
What system in your body carries messages to and from your brain?
the nervous system
One way to reduce noise pollution is to plant more trees. True or false?
true
A male's sex cells are called "sperm". What is the word for a female's sex cells?
eggs
What does carbon dioxide change into when it freezes?
dry ice
What do we call the scientist who studies the weather?
a meteorologist
How many pairs of ribs do you have?
12
About how many kinds of atoms are there: 25, 50 or 100?
100 (109 to be correct)
Does Lyme disease come from frogs, fleas or ticks?
ticks
What naturalist developed the theory of "survival of the fittest"?
Charles Darwin
Which expand the most when it is heated: a liquid, a solid or a gas?
a gas
In chemistry what does the symbol "C" stand for?
carbon
When a person has tuberculosis, what part of the body is affected?
the lungs
After a male and female praying mantis mate, which one eats the other?
The female eats the male.
What two gases make up most of the air that we inhale?
nitrogen and oxygen
Which is the best conductor of electricity: wood, ceramic or copper?
copper
What animal group does an ornithologist study?
birds