2023 Science 7 Q4 questions Part 1

What does the vertical line in our globe represent?

• Equator

• Latitude

• Longitude

• Prime meridian

Where on Earth can a lunar eclipse be observed?

• Daytime of the Northern Hemisphere

• Nighttime of the Northern Hemisphere

• Daytime of the Northern and southern hemisphere

• Nighttime of the Northern and Southern Hemisphere

Why do Seasons change in the Philippines?

• The sun is directed to the southern hemisphere only.

• The sun is somehow tilted to both the Northern and Southern hemispheres.

• Seasons change because the Earth is stationary directing its rays to the Northern hemisphere always.

• Seasons change because the direct rays of the sun shift from one hemisphere.

What reference lines on the globe are written Horizontally and are used to determine the North directions of a specific location?

• Equator

• Latitude

• Longitude

• Prime Meridian

Earth’s seasons are caused by which of the following?

• The varying amount of sunspot activity.

• The rotation of the Earth during a 24-hour day.

• The Earth’s orbit around the Sun as an ellipse rather than a circle.

• The tilt of the Earth’s axis of rotation relative to the ecliptic as Earth revolves around the Sun.

How do monsoons affect people?

• Farmers welcome the monsoons because they supply rain for their crops.

• Fisherfolks are not happy because it is not safe to go fishing when it is raining and the wind is also blowing hard.

• The rains from the monsoon fill up the dams that store water for a variety of purposes such as domestic use, irrigation, and electricity generation.

• All of the statements are correct.

Below is an image of a partial solar eclipse as seen by an observer on Earth. Which part of the shadow do you think is the observer watching?

• Penumbra of the Moon

• Penumbra of the Earth

• Between the umbra and penumbra of the Moon

• Between the umbra and penumbra of the Earth

How long does Earth’s rotation last?

• 60 minutes          

• 360 minutes       

• 24 hours

• 365.25 days

For item 9, use the Philippine map on the right side.

Which body of water is closer to 15° N & 130° E?

• Celebes Sea

• Pacific Ocean     

• Philippine Sea    

• South China Sea

What is the most abundant gas in the atmosphere?

• oxygen

• carbon dioxide

• nitrogen

• water vapor