Trees and Forests
The kind of tree that has needles and cones
Coniferous
The three types of fingerprints
The 6th planet from the Sun
Saturn
The gas that is most abundant in Earth's atmosphere.
Nitrogen
This force slows a plane down. It is caused by air friction.
Drag
Producers, Consumers, _____________
Decomposers
Chromatography is the study of ......
Ink
The kind of movement that causes a 24hr day on Earth.
Rotation
Explain why we are not crushed by the air on top and around us
There is equal air pressure inside and outside us
The main adaptation we have borrowed from birds for airplanes.
Airfoil shaped wings
What is the purpose of the heartwood
Adds strength and stability to the tree
Difference between an observation and an inference
An observation is something you see
An inference is an educated guess based on an observation
When an asteroid enters Earth's atmosphere, it is called a
meteor
The part of the airplane that creates pitch.
Elevators
Faster air movement over an airfoil creates _________ pressure, which in turn allows lift.
Lower
What is the process named Water + Carbon Dioxide = Sugar + Oxygen
Photosynthesis
DNA is found in
saliva with cheek cells
white blood cells
skin cells
We experience seasons in Canada mainly because
Earth is tilted on an imaginary axis
Bernoulli's Principle states....
As the speed of air increases, its pressure decreases
___ is the side to side movement of the nose of an airplane.
Yaw
The outside edge of leaves is called the ....
margin
When is hair a good piece of evidence
When it has a skin tag with DNA attached
We can see the Moon because
Sun's light is reflecting off the Sun back to us on Earth
An example of compressed air is......
A football, basketball
A tire
A tank of oxygen
Purpose of the Ailerons is .....
Roll the plane (one aileron has to be up and the other down)