Matter, Energy, Atoms, and Molecules

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is the specific heat capacity of a substance?

Back

Specific heat capacity is the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.

Front

What is a polar molecule?

Back

A polar molecule is a molecule that has a partial positive charge on one side and a partial negative charge on the other side, leading to an uneven distribution of charge.

Front

What is surface tension?

Back

Surface tension is the property of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.

Front

What does the chemical formula H2O represent?

Back

H2O represents water, which is made up of two hydrogen atoms and one oxygen atom.

Front

What is mechanical energy?

Back

Mechanical energy is the energy associated with the motion and position of an object.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter, related to the kinetic energy of its particles.

Front

What is hydrogen bonding?

Back

Hydrogen bonding is a weak attraction between a hydrogen atom bonded to a highly electronegative atom and another electronegative atom.

Front

Why is matter important?

Back

Matter is important because it is the foundation for understanding the physical world around us.