Early 19th Century
The study of fossils.
What is paleontology?
Dew forms when:
Water vapor in the air condenses onto objects
The motion of the molecules in a substance slows down. What is happening to its temperature?
It is decreasing.
What does a catalyst do to a chemical reaction?
It speeds it up.
What is an alloy?
An alloy is a mixture of metals.
What is the lowest temperature possible?
Absolute Zero
A chemical has a formula of CH4. If “C” represents carbon and “H” represents hydrogen, how many carbons and hydrogens are in a molecule of CH4 ?
There are one Carbon and four Hydrogens.
Steel contains iron and _____________?
Carbon.
What does the cerebellum control?
The Cerebellum controls Muscle coordination.
The earth has four sections: crust, mantle, outer core, inner core. Which section produces the earth’s magnetic field?
The Outer core.
Which is heavier, a balloon filled with nitrogen gas or the same-sized balloon filled with carbon dioxide gas at the same temperature?
The balloon filled with Carbon Dioxide.
What do we call the pattern of magnetic force lines coming from a magnet?
The magnetic field.
What part of the brain controls higher functions, such as interpreting the information from your senses?
The Cerebrum.
A heat engine produces motion based on a difference in __________.
Temperature.
Beautiful lights in the night sky caused by high-energy, electrically charged particles from the sun colliding with the earth's magnetic field.
What is the Aurora borealis and aurora australis?
Where did Ampere say that all magnetic fields come from?
They come from electricity.
The brain______________ controls the vital functions like heartbeat and breathing.
The Brain Stem.