Inference - a conclusion reached on the basis of evidence from observations.
Observations - dark clouds, puddles on ground
Inference - It must have rained!
400
What does the law of superposition state?
younger rocks on top, older rocks on the bottom
400
What is the difference between sexual and asexual reproduction? Give an example of each.
Sexual - requires two parents, anything fertilizing something else
Asexual - only needs one parent, starfish becoming two
400
Which direction will the box move if 5 N are pushing right and 15 N are pushing left?
10 N left
400
Pick one member of your team to draw the Bohr Diagram and Lewis Dot Structure for Magnesium (Mg).
Bohr Diagram Check List: P - 12, N - 12, 3 orbitals, E-12
Lewis Dot Structure Check List: 2 VE around Mg
500
What are the prefixes for the Metric System in order from largest to smallest?
Kilo, Hecto, Deca, Base (m, l, g) Deci, Centi, Milli
500
What are the three types of rocks and how are they formed?
Sedimentary- sediments cement and compact together
Metamorphic - extreme heat and pressure
Igneous - melting (lava or magma) and cooling
500
Starting with cell and ending with organism, what are the building blocks that link the two?
cell, tissue, organ, organ system, organism
500
If a car travels 400 m in 20 seconds, how fast is the car going?
400/20 = 20 m/s
500
What is the difference between Ionic and Covalent bonds?
What is the formula for the compound Ca + P?
What is the name of this compound?
Ionic bonds - atoms gain or lose electrons, between a metal and nonmetal
Covalent bonds - atoms share electrons, between 2 nonmetals
Ca3P2
Calcium phosphide