Earth & Science
The thinnest of Earth's major layers
What is the crust? (avg. 5-70KM thick)
This is the unit of measure for force in the metric system.
What is a Newton? (the newton (N) is the SI unit of force named after Issac Newton
The smallest unit of an element that still retains its chemical properties.
What is an Atom?
This is the rate of change of velocity
What is acceleration?
This is the official term of a food web element that breaks down dead organism
What is a decomposer?
The element that makes up most of the Earth's core
This law states that every action has an equal and opposite reaction.
What is Newton's Third Law?
The atomic number of an element tells you the number of this
What are protons?
This is the speed of light in a vacuum
What is 186,000 miles per second?
This is the term for a variety of life in a given area
What is biodiversity?
The theory that explains the movement of Earth's continents over geological time
This is the energy stored in an object due to its position or height.
This is formed when two or more elements are chemically bonded together.
What is a compound?
This is the energy that travels in waves and can moved through empty space
What is electromagnetic energy?
This is the part of the atmosphere that has the ozone layer
What is the stratosphere?
The boundary where two tectonic plates slide past one another
What is the transform boundary? (Plates sliding horizontally past one another causing earthquakes)
This simple machine uses a fulcrum to lift loads with less effort
What is a lever?
This reaction occurs when a solid forms from two liquids during a chemical change.
What is precipitation?
What is space?
This is the species that plays a crucial role in maintaining the ecosystem balance
What is Keystone Species?
The approximate age of the Earth
What is 4.5 billion years? (Radiometric dating of meteorites and rocks support this age)
This device converts electrical energy into mechanical energy.
What is a motor?
This is the only metal that is a liquid at room temperature.
What is Mercury?
This is the SI unit of measurement of Energy.
What is a Joule?
This is the study of the interaction between organisms and their environment.
What is Ecology?