Weather and Typhoon Safety

Your community is under a "Red Rainfall Warning." Which DOST-supported action is most appropriate?

• Go out and check the river level yourself.

• Stay at home and watch movies.

• Follow local authorities' orders.

• Plant trees while it is raining.

Which agency is responsible for providing the official "Public Storm Warning Signals" in the Philippines?

• Department of Tourism

• Department of Education (DepEd)

• PAGASA

• PHIVOLCS

If global warming increases sea temperatures, what is the likely impact on typhoons in the Philippines?

• They will disappear.

• They may become more intense and frequent due to more "fuel" (heat).

• They will become colder.

• They will only happen at night.

If a typhoon is moving "West-Northwest," which part of the Philippines is most likely in danger if it is currently East of Samar?

• Mindanao

• Luzon

• Palawan

• Saba

What celestial body has the greatest influence on Earth's ocean tides?

• The North Star

• Mars

• The Moon

• The Sun

During which moon phases do spring tides typically occur with the largest tidal range?

• Full Moon and New Moon

• First Quarter Moon

• Every day

• Third Quarter Moon

Why is tidal energy considered a renewable energy resource?

• Because we can build more turbines

• Because ocean water is recycled

• Because it relies on predictable gravity of Moon and Sun

• Because it only works during the day

When the Sun and Moon are at a 90° angle, as in first quarter, what tide results from their combined gravitational pull?

• Spring Tide

• No tide

• Tsunami

• Neap Tide

A remote island experiences a 5‑meter difference between high and low tide. Which option is best for generating electricity there?

• Solar panels on the seafloor

• Tidal barrage or tidal turbines

• Diesel generators

• Importing batteries from the city

Which source is most reliable for finding accurate local tide times and heights?

• Watching waves for five minutes

• A blog post from 2010

• Official tide tables and research reports

• A local myth about the ocean