Physics
When light bends as it enters a different medium the process is known as what?
Refraction
Which structure is the location where proteins are made in the cell?
ribosome
In which atmospheric layer is most water vapor found?
Troposphere
Stratus, cirrus, cumulus and nimbus are types of what?
Clouds
What percentage of the human body is water?
66%
A magnifying glass is what type of lens?
Convex
Which structure processes and modifies proteins for excretion from cells?
Golgi body
Which layer of the atmosphere would a jet pilot want to fly to avoid a thunderstorm?
Stratosphere
What country experiences the most tornadoes?
USA
A human's thumb is as long as his or her nose. True or False?
True
A person who studies physics is known as a?
Physicist
What is the large, fluid-filled, central structure found in the middle of plant cells that stores a variety of materials?
vacuole
An important gas found in Earth's stratosphere
Ozone
Breeze and gale are common terms used to describe the speed of what?
Wind
The smallest bone in the human body is about the size of...
A grain of rice
Metals expand when heated and do what when cooled?
Contract
The organelle associated with energy release in the cell is the...
Mitochondria
As you rise farther into the atmosphere, air pressure....
Decreases
An avalanche features the rapid descent of...
Snow
The smallest bones in the human body are found in the...
Ears
Electric power is typically measured in what units?
Watts
What is the structure that directs and coordinates all cellular activity?
nucleus
Which layer of the atmosphere experiences the coldest temperatures?
Mesosphere
An anemometer is used to measure what?
Wind speed
We humans get an entirely new skeleton every 12 years. True or False?
True