T2W7 7th grade

Front

A physical phenomenon where masses exert a pull on each other from a distance; the objects are pulled toward each other's center of mass.

Back

gravity

Front

A physical phenomenon that includes the attraction between iron and a magnet, is exhibited by both magnets and electric currents and is a type of energy characterized by fields of force.

Back

magnetism

Front

What is the force that a surface applies to an object that it is in contact with, preventing the object from passing through the surface?

Back

normal force

Front

A force that opposes relative motion between systems in contact

Back

friction

Front

The numerical size of a quantity.

Back

magnitude

Front

The energy of chemical substances that is released when they undergo a chemical reaction and transform into other substances.

Back

chemical potential energy

Front

The mechanical potential energy stored in the configuration of a material or physical system as it is subjected to elastic deformation by work performed upon it.

Back

elastic potential energy

Front

The potential energy an object has in relation to another massive object due to gravity.

Back

gravitational potential energy

Front

Model that demonstrates how matter and energy are transferred between producers (generally plants and other organisms that engage in photosynthesis), consumers, and decomposers as the three groups interact—primarily for food—within an ecosystem.

Back

food web

Front

A closed (complete) path for electric current to flow as a result of a driving voltage.

Back

electrical circuit