Flashback 45

Front

What is amplitude in a wave?

Back

Amplitude is the maximum distance that the wave moves away from its rest position. It is a measure of the energy carried by the wave.

Front

What causes iron to change from shiny to rusty?

Back

A chemical reaction occurs when iron reacts with oxygen and moisture in the environment, leading to rust formation.

Front

Which subatomic particle determines the identity of an element?

Back

The proton determines the identity of an element; the number of protons in the nucleus defines the element.

Front

How does thermal energy transfer?

Back

Thermal energy always transfers from high temperature (energy) to low temperature (energy).

Front

What happens to energy as amplitude increases in a wave?

Back

The bigger the amplitude, the more energy is carried by the wave.

Front

Define a chemical reaction.

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another, involving the breaking and forming of bonds.

Front

What is the role of protons in an atom?

Back

Protons are positively charged particles found in the nucleus of an atom and determine the atomic number and identity of the element.

Front

Explain the concept of thermal equilibrium.

Back

Thermal equilibrium is the state in which two bodies in contact with each other exchange no net heat energy, meaning they are at the same temperature.

Front

What is the relationship between wave amplitude and sound volume?

Back

In sound waves, a larger amplitude corresponds to a louder sound, while a smaller amplitude corresponds to a quieter sound.

Front

What is oxidation in terms of chemical reactions?

Back

Oxidation is a chemical reaction that involves the loss of electrons or an increase in oxidation state by a molecule, atom, or ion.