The variety of life in a particular habitat or ecosystem.
What does biodiversity mean?
A path through which electric current flows.
What is an electric circuit?
The tilt of Earth’s axis and its orbit around the Sun.
What causes the seasons?
Lift, weight (gravity), thrust, and drag.
What are the four forces of flight?
To transport blood, oxygen, and nutrients throughout the body.
What is the main function of the circulatory system?
Animals, plants, fungi, protists, and monerans (bacteria).
What are the five kingdoms of living things?
A material that does not allow electricity to flow through it.
What is an insulator?
A large group of stars, dust, and gas held together by gravity.
What is a galaxy?
Faster-moving air has lower pressure than slower-moving air.
What is Bernoulli’s Principle?
To provide structure and protect organs.
What is the function of the skeletal system?
A species at risk of becoming extinct.
What does "endangered" mean?
In a series circuit, current flows through one path; in a parallel circuit, it flows through multiple paths.
What is the difference between a series and parallel circuit?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Name all 8 planets in order from the Sun.
The force that pushes an object forward.
What is thrust?
It changes from a liquid to a solid.
What happens to water when it freezes?
A system of interdependent food chains.
What is a food web?
By rubbing two objects together, transferring electrons.
How is static electricity created?
When the Earth blocks sunlight from reaching the Moon.
What is a lunar eclipse?
To change the shape of the wing and control lift.
What are flaps on an airplane used for?
When a gas changes into a liquid.
What is condensation?
Through pollution, habitat destruction, climate change, and overhunting.
How do humans impact biodiversity?
Turn off lights, use LED bulbs, unplug unused devices.
How can we reduce energy consumption at home?
An unmanned spacecraft that explores space.
What is a space probe?
This aerodynamic shape generates lift by changing air pressure.
What does an airfoil shape do?
To process used materials to make new products.
What does “recycle” mean?