energy/math
what is the least common multiple of 15 and 24?
120
how many bones are in the typical adult human's body?
206
what is the common name for H₂O?
what planet in our solar system is known for their giant rings?
saturn
a runner traverses 100 meters in 20 seconds. how fast are they going?
5 meters/second
hydropower is commonly produced in rivers through what large man-made structure similar to a wall?
dams
what is the process where plants use light, carbon dioxide, and water to make their own food (glucose) and oxygen?
photosynthesis!!
what is the first element of the periodic table?
hydrogen, helium, carbon, oxygen
hydrogen
how many planets are in our solar system?
eight
an object with less density than water will ____ the water.
float on top, dip into, sink below
float on top
how many outfits can Jimothy create with 3 shirts, 7 pants, and 4 pairs of socks?
84
what is the largest organ in the human body?
the skin
hydrogen and helium
what is the hardest rock (on the Mohs hardness scale)?
diamond
which law states that an object in motion will stay in motion?
newton's first law
Jimbabwe rolls two dice. What is the probability that the sum of his two rolls is a 7?
1/6
what is the name of the super famous scientist known for his work with the theory of evolution, specifically natural selection?
charles darwin!
what is the common name of NaCl or Sodium Chloride?
table salt
the celestial body Io is a moon of which planet in our solar system?
jupiter
what type of wave do microwaves produce?
microwaves !!!!!
which of the following is an example of a biofuel:
coal, gasoline, ethanol
ethanol!! (made from corn lol)
what organelle carries out photosynthesis in plants?
the chloroplast
which of the following is not part of an atom?
protons, positrons, electrons, neutrons
positron
expressing your answer to the nearest power of ten, how many stars are in our solar system?
10^0 (only one star!)
either define what a vector quantity is OR name two vector quantities
1. a quantity that measures both direction of force and magnitude of force (ex: displacement is a vector because its value does not just depend on how far you are from your starting point - it also depends which direction you went in)
2. velocity, displacement, acceleration, force, momentum