Particles
Density
Elements
Random
100
When changing from a solid to a liquid to a gas, particles ________ energy.
Gain, Increase, Absorb
100
The formula for density is ________
D = Mass / Volume
100
The elements on the periodic table are ordered by atomic number, which also tells us the _________ for those atoms.
Number of Protons & Electrons
100
In Harry Potter and the Order of the Phoenix, what item is used to send secret meeting times to members of Dumbledore's Army, by way of a Protean Charm?
(fake) Galleon
200
Is a change of state a physical or a chemical change?
Physical
200
Pure water (at 4 C) has a density of approximately ______. (include units)
1 g / cm³ (or mL)
200
An atom with the same number of protons as another but different neutrons is called __________
an isotope
200
Jim Carrey plays this villain in Sonic the Hedgehog.
Dr. Robotnik / Eggman
300
Particles of a solid are in motion, but ____________ in place.
Vibrate
300
Density can be found by finding the ________ on a graph of mass vs volume.
Slope
300
How many neutrons are in an atom of Carbon-14?
14 - 6 = 8 neutrons
300
This classic jRPG featuring Cloud Strife is getting a remake in 2020.
Final Fantasy VII
400
The process of changing from a solid immediately to a gas is called: _____________.
Sublimation
400
Find the density for this material:
Mass = 180 g
Dimensions: 3 cm x 5 cm x 4 cm
3 g/cm³
400
An atom of Uranium (#92) is split in a fission reactor to create an atom of Rhodium (#45). If the rest of the protons stay together, this would create an atom of ___________.
Silver (#47)
400
This was the required amount of energy required to send Marty and the DeLorean back to the future (mispronounced by Doc in the movie).
1.21 gigawatts
500
This is a specific name for a homogeneous mixture of metals. One example is copper + tin = bronze.
Alloy
500
A cylinder of iron (D = 7.7 g/cm³) has a mass of 250 g. If the cylinder is 3 cm tall, find the radius to 1 decimal place.
r = 1.9 cm (approximately)
500
The elements on the far right column are called ______ ________ because they do not react with other elements.
Noble gases
500
Jedi seeking kyber crystals to construct their lightsabers often travelled to this cold and remote planet.
Ilum