Science
Weather
100

This unit measures frequency.

Hertz (Hz)

100

This scale measures the magnitude of earthquakes, with each whole number increase representing 10× more power.

Richter scale

200

This particle, with no electric charge, was discovered by James Chadwick in 1932.

Neutron

200

In a hurricane, the calm center surrounded by intense winds is called this.

Eye of the storm

300

This law in physics states that for every action, there is an equal and opposite reaction.

Newton’s Third Law

300

This type of severe Canadian winter storm is caused by freezing rain coating surfaces with ice.

Ice storm

400

This is the process where water vapor in the air changes into liquid water, often forming droplets on surfaces like windows or mirrors.

Condensation

400

Rain, snow, sleet, and hail are all types of this.

Precipitation

500

This biological process allows plants to convert sunlight into chemical energy, producing glucose and oxygen.

Photosynthesis

500

This phenomenon occurs when warm, moist air rises rapidly, cools, and condenses, often producing thunderstorms and heavy rain.

Convection