Science
This unit measures frequency.
Hertz (Hz)
This scale measures the magnitude of earthquakes, with each whole number increase representing 10× more power.
Richter scale
This province in Canada produces over 70% of the world's maple syrup.
Quebec
These 2 ingredients help unclog drains when combined.
Baking soda and vinegar
This 15th-century emperor led the Lam Sơn uprising against the Ming and founded the Lê Dynasty.
Lê Lợi
This particle, with no electric charge, was discovered by James Chadwick in 1932.
Neutron
In a hurricane, the calm center surrounded by intense winds is called this.
Eye of the storm
The island archipelago of Saint-Pierre and Miquelon, located off the coast of this Canadian state, is the only part of North America still under French sovereignty.
Newfoundland
To prevent streaks on this type of appliance, you should wipe in the direction of its grain.
Stainless steel appliances
This dynasty, founded in 938 CE after the Battle of Bạch Đằng, marked Vietnam’s independence from Chinese rule.
Ngô Dynasty
This law in physics states that for every action, there is an equal and opposite reaction.
Newton’s Third Law
This type of severe Canadian winter storm is caused by freezing rain coating surfaces with ice.
Ice storm
The name “Canada” comes from the Iroquoian word “kanata,” meaning this.
Village or Settlement
Unlike sweeping, mopping works best when you move in this pattern to avoid just spreading dirty water around.
Figure-eight (or S-shaped)
This agreement temporarily divided Vietnam at the 17th parallel, leading to North and South Vietnam.
The Geneva Accords (1954)
This is the process where water vapor in the air changes into liquid water, often forming droplets on surfaces like windows or mirrors.
Condensation
Rain, snow, sleet, and hail are all types of this.
Precipitation
Canada’s official motto, “A Mari Usque Ad Mare,” translates to this in English.
From Sea to Sea
When washing windows, professionals recommend cleaning on this type of day(weather) to prevent streaks.
Cloudy or overcast day
This emperor of the Nguyễn Dynasty abdicated in 1945, ending over 1,000 years of monarchy in Vietnam.
Bảo Đại
This biological process allows plants to convert sunlight into chemical energy, producing glucose and oxygen.
Photosynthesis
This phenomenon occurs when warm, moist air rises rapidly, cools, and condenses, often producing thunderstorms and heavy rain.
Convection
In 1982, this document was signed, giving Canada full sovereignty from the UK.
The Canada Act
This method of folding bed sheets, perfected by the military and hotels, keeps corners crisp and tight.
The hospital corners
Vietnam became part of this French colonial federation in the late 19th century.
French Indochina