Investigating Sun

Which of the following describe the sun?

• • a ball of fire

• • a round ball

• • a ball of energy

• • a ball of hot gases

What is the process wherein plants make their own food?

• • photoshop

• • photography

• photosynthesis

• pyrolysis

Lino applies sunblock lotion on his skin before swimming in the pool. What best explains such a behavior?

• • The lotion softens his skin.

• • The lotion is a regular need of the body.

• • The lotion improves the color of the skin.

• • The lotion keeps the skin from getting burned.

Which observation shows dehydration as a result of the sun’s heat?

• • You feel weak.

• • You feel thirsty.

• • You sweat.

• • all of the above

These are irregularly shaped dark patches found on the photosphere.

• sunspots

• solar flare

• corona

1. What causes an object to form a shadow?

• light passing through the object

• 1. light bouncing off the object

• 1. light blocked by the object

What will happen f you fail to drink water in a day?

• becomes dehydrated

• becomes hydrated

• becomes healthy

What is the time of the day when the air temperature is at its highest?

• • morning

• • noon

• • afternoon

• • night

Which would best explain why it is cooler in the morning than in the early afternoon?

• • The Earth is tilted away from the sun in the early morning.

• • The sun’s heat is distributed in a wide area, which lessens the heat.

• • The sun is directly overhead in the early afternoon.

Which would you consider as the most harmful effect of overexposure to the sun’s rays?

• • tanned skin

• • dehydration

• • sunburn

• • skin cancer