Physical science Midterm 2023

Front

What type of energy is stored in an object due to its position or state?

Back

Potential energy is the energy stored in an object due to its position or state.

Front

What is the atomic number of an element?

Back

The atomic number is the total number of protons in the nucleus of an atom.

Front

What are physical properties?

Back

Physical properties are characteristics that can be observed without changing the identity of the substance.

Front

What does the kinetic theory of matter state?

Back

The kinetic theory of matter states that the atoms in matter are always in motion.

Front

What happens to the temperature when atoms move slower and get closer together?

Back

The temperature has gone down.

Front

What type of energy is associated with motion?

Back

Kinetic energy is the energy associated with the motion of an object.

Front

What is the difference between physical and chemical properties?

Back

Physical properties can be observed without changing the substance, while chemical properties describe how a substance changes into a different substance.

Front

What happens to the particles in a solid when it is heated?

Back

The particles in a solid gain energy, move faster, and may eventually change to a liquid.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is density?

Back

Density is the mass of an object divided by its volume.