As the speed of a moving fluid increases, the pressure within the fluid decreases.
What is Bernoulli's Principle?
This object is based on a basic scientific principle: Warm air rises in cool air
What is a hot-air balloon?
This planet has over 60 natural satellites
What is Saturn?
A conclusion based on data, observations, and experiences
What is an inference?
The four layers of a forest
What is the forest floor, shrubbery layer, understory, and upper canopy?
The 4 forces of flight
What is lift, drag, thrust, and gravity?
This object creates drag to slow down something or someone from falling towards Earth's surface
What is a parachute?
The 6th phase of the moon
What is the waning gibbous?
Wool, silk and linen are examples of this type of fibre
What is natural fibre?
The substance that keeps leaves green
What is chlorophyll?
A design to provide very low resistance to a fluid, increasing speed and ease of movement
What is a streamlined shape?
This movement, causes an airplanes nose to go up and down
What is pitch?
the farthest dwarf planet away from the sun
What is Eris?
The fingerprint that forms circles
What is a whorl fingerprint?
What is a margin?
The air is made up of 78% of this
What is nitrogen?
This control surface causes an airplane to bank to the right or left
What is an aileron?
The season of the Northern hemisphere when the Southern hemisphere is tilted towards the sun
What is winter?
Footprints/fingerprints that not always visible to the unaided eye
What is a latent print?
Choose the false statement about trees:
A. Trees provide food
B. Trees provide oxygen
C. Trees make the air moister
D. Trees make the air warmer
What is:
D. Trees make the air warmer
The combination of a substance with oxygen
What is oxidation?
Twisted wings that spin on an aircraft to get thrust
What is a propeller?
The 3rd largest planet
What is Uranus?
The name to describe the act of faking a person's signature
What is forgery?
The forest layer with small trees, large bushes, and large shrubs
What is the understory?