Show:
Astronomy
Electricity
Weather
Motion, Force, and Pressure
Sci. Process and Metric
100
This is how the sun produces energy.
What is Nuclear Fusion
100
This is what happens when unlike electric charges meet.
What is attract each other.
100
This is the source of most air pollution.
What is the burning of fossil fuels.
100
This is what happens to air pressure as you climb a mountain.
What is the air pressure decreases.
100
This is the number the metric system is based on.
What is 10.
200
This is why the Earth has seasons.
What is because the Earth's axis are tilted.
200
This is how clothes in a dryer acquire static cling.
What is friction.
200
This is how carbon dioxide is causing global warming.
What is trapping more heat in the atmospher.
200
This is why you don't sink in the snow with snowshoes on.
What is the area over which a persons weight is distributed on is increased.
200
This is when scientist put things into categories or groups. We did this with shoes at the begining of the year.
What is classifying.
300
This is the cause of tides on planet Earth.
What is the Moon's gravity.
300
This is the way an electrical current will flow when given two paths to follow.
What is the path of least resistance.
300
These are the two conditions that are required for cloud formation to occur.
What is cooling of the air and the presence of particles in the air.
300
This is the fomula for speed.
What is distance divided by time.
300
This is a type of observation that deals with numbers.
What is an Quantitative Observation.
400
This is what a star 15 times the mass of the sun turns into when it dies.
What is a neutron star.
400
This is a device that creates a potential difference in an electic circuit.
What is a voltage source.
400
This is what the ozone layer protects you from.
What is ultraviolet radiation.
400
This is an the principle of why airplane flight is possible.
What is Bernoulli's or Newton's 3rd law of motion.
400
This is the term for the amount of space an object takes up.
What is volume.
500
This is the number a moon phases that occure in 27.3 days.
What is 8 phases.
500
This is what causes charges to flow through an electric circuit.
What is voltage.
500
This is the way heat is transfered from the sun.
What is radiation.
500
This is the tendency of an object to resist a change in motion.
What is inertia.
500
This is an explanation for an observation or an interpretation of what happened based of prior knowledge.
What is inferring.