Sky science
what planet is closest to the sun?
mercury
What is an example of evidence that can be found at a crime scene?
finger prints, foot prints, tire tracks etc...
in order for an airplane to fly more slowly the pilot would increase what?
decrease thrust and increase drag.
As an air plane speeds down the runway, you recall that lift occurs when?
the force of drag is less than the force of thrust.
What is a coniferous tree?
a tree that shed its leaves each year.
What is the difference between light reflector and light emitter?
Emitter- create light ex: the sun
Reflector- reflects light ex: the moon
What can you infer from a shoe print left at a crime scene?
foot size, tread mark, brand of shoe
What are 3 characteristics that birds have to make them capable of flying?
wings, dense bones, slender adn light weight bodies, light weight beaks, they can fold their legs in
What is the best type of parachute?
A swallow, A hawk, A Eagle, or a flacon and why?
A hawk
What is the difference between a decomposer and a producer?
decomposer- breaks down nutrients into the soil
Producer- makes nutrients for the soil
small or non existent as the sun is right above you.
Do identical twins have the same finger print?
NO! no two people have the same finger print, even identical twins.
What are the 4 forces of flight?
lift,
thrust/ propulsion,
drag,
gravity/ weight
How can you tell if a tree grew through a drought?
by looking at the rings and how close they are.
How many phases of the moon are there? Name 4 of them.
8
Waxing and waning crescent
waxing and waning gibbous
first and last quarter moon
full moon
New moon
What are the 3 different types of fingerprints?
Loop
Arch
Whorl
Who invented the first airplane?
The Wright brothers!
What are the 5 properties of air?
Air is everywhere
Air can be compressed
Air can be a fluid
Air exerts pressure
Air takes up space
What are the 4 levels of the forest?
canopy
understory/ shrubbery
undergrowth
forest floor
Name all 8 planets including the 1 dwarf planet
Mercury, Venus, earth, mars, Jupiter, Saturn, Uranus Neptune, Pluto
What is chromatography?
when you test different types of ink using water and paper- the separation of colored ink
in order for a plane to move from side to side, the pilot must move the
rudder, elevators, ailerons, or flaps
move the Ailerons up and down
What is Bernoulli's principle?
Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in static pressure or the fluid's potential energy
What are the two ways you can use to determine the age of a tree?
cut the tree and count the growth rings
Use an increment borer and drill in to the center of the tree and then use the scoop to pull out the core to count the rings.