Earth Science
What is the layer of the Earth called in the very middle?
core
What kind of a change in matter forms new substances (new particles)?
chemical change
What is the smallest unit of life?
cell
What is the term for the distance an object goes in a certain amount of time?
speed/velocity
What is the name of our galaxy?
Milky Way Galaxy
What is responsible for most earthquakes and volcanic eruptions on the Earth?
Movement of plates
What is a chemical property of paper?
What Kingdom are humans part of?
Animal
What is the term for an object's change in velocity in a certain amount of time?
acceleration
What is the closest planet to the sun?
Mercury
What do you call a crack in the Earth's crust?
fault
What is the state change in matter from a gas to a liquid?
condensation
What does ATP (stored chemical energy in an organism) stand for?
adenosine triphosphate
What is the weakest force in the Universe?
Gravity
What is the term for a chunk of rock and metal that burns up as it goes through the Earth's atmosphere?
Meteor
What is the name of the massive, ancient supercontinent where all Earth's landmasses were joined, existing from the late Paleozoic to the early Mesozoic eras (around 335 to 200 million years ago)
Pangea
What are the 3 particles that make up an atom?
What is the name for the chemical reaction in which glucose reacts with oxygen to form water and carbon dioxide?
cellular respiration
What is the term for the product of an object's mass and velocity?
momentum
What type of galaxy is our galaxy?
spiral
How old is the Universe?
13.8 billion years old
What do scientists call 6.02 x 1023 particles?
a mole
What is an organism with two identical alleles (gene versions) for a specific trait called?
homozygous
What is the term for the amount of electric potential energy?
voltage
What is the name of a stellar explosion marking the death of a massive star or a white dwarf
supernova