Everyone should have a grasp on the basic processes that make our world tick. Take this quiz to see how good you are at answering some fundamental science questions. Don't worry — no rocket science knowledge is required.
The point is drawn toward the magnetic North Pole.
Atoms and molecules are made of matter.
Objects in motions stay in motion, and objects at rest tend to stay at rest.
Seventy percent of Earth is covered by water, and most of that is ocean.
A habitat is a place where an organism lives. Loss of habitat is a reason that many species disappear.
This 365-day cycle is the basis for our calendar system.
They occur just after sunrise. It takes a while for the sun to begin warming things up again.
The three main subatomic particles in atoms are electrons, protons and neutrons.
Modern humans appeared about 200,000 years ago, and dinosaurs went extinct about 65 million years ago, so of course our forefathers never hunted the <i>T. rex</i>.
Elements with similar properties are in the same column.
Earth is home to many diverse ecosystems.
Cold air is denser because the molecules move slowly.
Soil and rain are examples of the nonliving parts of an environment.
The atoms are the same whether they are naturally-occurring or made by humans.
The law that every action has an equal and opposite reaction affects all of us, every moment of every day.
They're about 3.8 billion years old, nearly as old as the solar system.
DNA provides basic instructions for building and maintaining an organism.
Every organism is made from cells, the basic units of life.
The kingdom classification is the broadest in scientist Carl Linnaeus' popular system. However, microbiologist Carl Woese did define a new system in which domain is the highest classification.
You can't begin until you've narrowed down your inquiry.
You can't have matter of any kind without chemicals.
A front, the place where two air masses meet, often brings drastic changes in weather.
Decaying radioactive elements, heat from friction and other factors make the core very hot.
Earth resides in one of the outer arms of the Milky Way, a spiral galaxy.
Mammals are a furry bunch — some more than others.
Every chemical can be poisonous to humans if they're exposed to a high enough dose.
Saline solutions include salt and are great for rinsing your nasal passages.
They use oxygen and sugars to provide energy.
Iron readily combines with oxygen to create iron oxide, or rust.
An atom is the smallest component of an element that still retains the properties of that element.