This is smaller than a galaxy but larger than a star.
What is solar system?
Sharks have this many bones.
What is zero?
This is the name of the layer of the atmosphere where most commercial airplanes fly.
What is the Stratosphere?
An H-R Diagram is a graph that plots temperature and this.
What is a brightness?
When a roller coaster reaches the top of a hill, it has its maximum of this type of energy.
What is potential?
cell walls and chloroplasts
What is contained in a plant cell?
This element is most commonly used to create nuclear energy.
What is Uranium?
It takes the International Space Station about how long to orbit the Earth.
What is about 90 minutes?
This is the bending of waves as they pass through a different medium.
What is refraction?
Which scientist is famous for his laws of motion and universal gravitation? (Need first & last name)
Who is Isaac Newton?
The deepest part of the ocean is..
What is the Challenger Deep (part of the Marianas Trench)
The color of the sunset on Mars is..
What is Blue?
A Geiger counter measures..
What is Radiation?
The passage of genetic instructions from one generation to another.
What is heredity?
A human sheds this many skin cells every minute.
What is 30,000?
This is the only rock that floats.
What is Pumice?
The subatomic particles that make up protons and neutrons.
What are Quarks?
The study of fungi is called..
What is Mycology?