What is the new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crexcent back to new moon
100
Air is made up of these three gases
What is nitrogen (78%), oxygen (21%) and argon or trace gases (1%)
100
The four forces of flight
What are gravity, lift, thrust and drag?
100
A conclusion based on your observations
What is an inference?
200
The process by which trees 'sweat' out water
What is transpiration?
200
Stars _______ light and planets _______ light.
What is 'emit' and 'reflect'?
200
Three qualities of air
Air can be compressed, air exerts pressure, air is a fluid and can move around objects.
200
Flying things can be classified into these three categories
What are floaters, gliders and powered flyers?
200
Types of evidence which can be collected at a crime scene
What are fingerprints, fabric samples, writing samples, footprints, soil samples, blood samples?
300
The part of a tree which is non-living. It is in the middle of the tree and gives it strength
What is the heartwood?
300
These are the four inner planets in our solar system
What are mercury, venus, mars and Earth?
300
The principle that states: as the speed of air increases, the pressure it exerts decreases. On an airfoil, or wing, this creates lift.
What is Bernoulli's Principle?
300
These two forces act on a paracute. The result is called terminal velocity.
What are drag and gravity?
300
An excuse for a suspect not to be at the crime scene
What is an alibi?
400
The process which produces food for plants and oxygen.
What is photsynthesis?
400
The pattern that stars form in the sky. The Big Dipper is an example of this
What are constellations?
400
A mixture of air which surrounds the Earth and extends far into space.
What is the atmosphere?
400
How a hot air balloon works.
What is Achimedes Principle. Air gets heated and fills the envelope. This is lighter than the outside air and so it rises. For a quick descent, a velcro vent at the top of the ballon is opened.
400
A reason for a suspect to commit a crime
What is a motive?
500
The top leve of the forest, where birds and squirrels nest.
What is the canopy?
500
the Earth's axis and the rotation around the Sun causes these.
What are seasons?
500
Adaptations that help birds or insects to fly
What are a streamlined body, contour and down feathers, a sharp beak, hollow bones and light bodies.
500
The parts of an airplane
What are the ailerons, rudder, vertical and horizontal stabilizers, elevators and fuselage
500
The separation of ink or another liquid into different componants