scientific investigations
matter/solutions
motion/force
energy
outer space
100

an educational prediction that can be tested

what is a hypothesis

100
this is a positively charged particle in an atom

what is a proton

100

describe the difference between a balanced and an unbalanced force

an unbalanced force has a net force in one direction. balanced forces cancel each other out so there is no acting net force.

100

this type of energy is the energy stored in chemical bonds

what is chemical energy

100

this storm on jupiter

what is the great red spot

200
this theory explains why something happens. a law identifies what happens in nature but doesnt necessarily explain why it happens.

what is compare and contrast a theory and a law

200

if you burn a piece of paper, is there more or less mass than what you started with?

The same, mass is conserved

200

what is the force that attracts masses together

what is gravity

200

what 2 factors influence the amount of potential energy of an object

what is mass and height

200

earth is the only planet to known to support

what is life

300

a variable that you can change in an experiment on purpose

what is an independent variable
300

this happens at the vaporization point (boiling point) of a substance

what is a substance changing from a liquid to a gas

300

what is the name of the upward force exerted on a boat in the water

what is buoyancy

300

your bumper car hits your friends bumper car, causing them to move forward. what kind of energy was experienced

what is kinetic energy
300

list the planets in order from closest to farthest relative to the sun

what is mercury, venus, earth, mars, jupiter, saturn, uranus, neptune

400
a summary of the results, a discussion of whether or not the data supported the hypothesis, errors, and questions for further investigation are all things you should include in what?

a conclusion

400

how many known elements are there

118

400

what does a feather drift back and forth as it falls

what is air resistance

400

what kind of heat transfer happens in a microwave

what is radiation

400

how does the moons gravity affect water on earth

what is the moons gravity pulls on earth, causing tides

500

you place a paper clip in a cup of soda and it sinks. which is denser - the paper clip or the soda? bonus points: would the paper clip most likely have a density of 2.8, 1.0, or 0.3 g/mL?

what is the paper clip, and 2.8 g/mL
500

if the atomic number of an element is 6 and the atomic mass is 15, how many neutrons are present?

what is 9 neutrons, (15-6=9)

500

centripetal force always points towards the ------ of the circular path of motion

what is center

500

what are the kind of waves you use to warm up your food

what is a microwave

500

how did copernicus's and galileos studies change the model of the solar system

what is they placed the sun at the center of the solar system