Summer Quiz
Questions: 16 · 10 minutes
1. At the same Northern Hemisphere location, how would a pole’s noon shadow generally change from early spring toward the summer solstice?
It would remain the same length until autumn.
It would become longer as Earth moves farther from the Sun.
It would point in the opposite direction each month.
It would become shorter as the noon Sun appears higher.
2. A traveler leaves Canada for Australia in July. Which seasonal change should the traveler expect?
Australia will also be in summer because both countries use the same calendar.
Australia will be in spring because its seasons begin one month earlier.
Australia will be in winter because it is in the Southern Hemisphere.
Australia will have no defined season because it is closer to the equator.
3. Which three bright stars form the asterism commonly called the Summer Triangle?
Vega, Deneb, and Altair
Betelgeuse, Rigel, and Bellatrix
Polaris, Sirius, and Arcturus
Antares, Spica, and Regulus
4. Why can a person still receive ultraviolet exposure while sitting under a beach umbrella?
Umbrellas intensify ultraviolet radiation beneath the fabric.
Ultraviolet radiation comes primarily from warm sand rather than the Sun.
Shade blocks visible light but never blocks ultraviolet radiation.
Ultraviolet radiation can be scattered and reflected from the sky, sand, and water.
5. In the Northern Hemisphere, what distinguishes the summer solstice from other days of the year?
The Sun is closest to Earth on that date.
It is usually the hottest day of the year.
It generally has the greatest amount of daylight.
Day and night are approximately equal in length.
6. Two equal masses of ice are placed outside: one is a single block and the other is crushed into small pieces. Why will the crushed ice usually melt faster?
Crushing lowers the freezing point of pure ice.
The crushed ice exposes more surface area to warmer surroundings.
Small pieces contain less total frozen water.
A solid block produces its own cooling energy.
7. Why can a densely built city remain warmer than nearby rural land after a sunny summer day?
Cities receive more hours of sunlight than neighboring countryside.
Buildings and pavement store heat and release it gradually, contributing to an urban heat island.
Tall buildings move the city measurably closer to the Sun.
Rural plants create cold fronts after sunset.
8. Which cloud type is most closely associated with summer thunderstorms, heavy downpours, and lightning?
Cirrus
Stratus
Cumulonimbus
Altocumulus
9. Compared with a location far from the equator, how does daylight usually vary through the year near the equator?
It remains light for almost 24 hours throughout summer.
Day length varies relatively little across the seasons.
Daylight changes unpredictably with rainfall.
Summer days are much longer because sunlight is more direct.
10. The traditional expression “dog days of summer” is historically linked to which object?
The constellation Ursa Major, the Great Bear
Sirius, known as the Dog Star
The planet Venus, sometimes called the Evening Star
Polaris, commonly called the North Star
11. On a hot day, why can a fan make a person feel cooler even if it does not substantially lower the room’s air temperature?
Moving air increases evaporation from the skin and carries away body heat.
It removes humidity by storing water inside the motor.
It prevents the body from producing heat.
It converts warm air directly into cold air.
12. On a sunny afternoon, cooler air begins moving from the sea toward a beach. What most directly creates this sea breeze?
Land heats faster than water, so rising air over land draws in cooler marine air.
The tide pushes a mass of air toward the shore.
Ocean water evaporates and pulls coastal winds downward.
The sea becomes warmer than the land and forces air inland.
13. What is the main reason Earth experiences summer and the other seasons?
Earth’s tilted axis changes the angle and duration of sunlight in each hemisphere.
The Sun releases more energy during certain months.
Earth travels much closer to the Sun during summer.
Earth rotates more slowly during the warmer part of the year.
14. In the Northern Hemisphere, what generally begins happening to daylight duration immediately after the summer solstice?
It increases until the autumnal equinox.
It becomes exactly 12 hours everywhere.
It gradually decreases, although summer continues.
It changes only in polar regions.
15. During an outdoor summer game, you hear thunder even though rain has not reached the field. What is the appropriate response?
Lie flat in an open area away from buildings.
Shelter beneath the tallest nearby tree.
Continue playing until lightning is visible overhead.
Move into a substantial enclosed building or hard-topped vehicle.
16. A well-watered plant droops during a very hot afternoon but recovers that evening. What is the most likely explanation?
The plant permanently stopped absorbing water at midday.
Sunlight briefly reversed the direction of water transport.
The plant entered its normal winter dormancy.
Water loss temporarily exceeded the roots’ ability to replace it.