Why does the Sun seem to travel across the sky each day?

Why can it be daytime in the Philippines while another part of Earth has nighttime?

The Manila sky diagram marks three Sun positions. At what letter would an upright stick cast its shortest shadow?

The diagram shows one Manila stick's shadows during a day. Put A, B, and C in order from earliest to latest.

When the Sun is behind Lito, where will his shadow fall on level ground?

What is the main light source for a flagpole's shadow in an open schoolyard during daytime?

What forms on the ground when Ana's body prevents sunlight from reaching part of it?

What kind of material should a shadow-play puppet use to block light completely?

The diagram shows Sun positions J, K, and L. At what position would the child cast the longest shadow?

In the diagram, the Sun is at C. Toward what labeled horizon will the child's shadow stretch?

Bea compares a stick's shadows at 9 a.m. and noon. What should she keep the same for a fair comparison?

How does a sundial help people estimate the time?

The Sun's equator turns once in 25 days; its poles take 36 days. Which region turns faster?

Galileo studied sunspots over several days. Which observation best supports the idea that the Sun rotates?

What does sunlight supply when a gumamela plant makes food?

What energy change takes place in solar panels that power classroom lights?

Matching trays hold equal water amounts, one in sunlight and one in shade. Which usually loses more water after an hour?

What force from the Sun helps keep Earth in its orbit?

What vitamin can human skin produce with help from sunlight?

What happens when land and water absorb energy from the Sun?