Read this: A bangka has bamboo poles on both sides, called katig. The katig float on the water. When a wave pushes the boat, the katig press on the sea, so the bangka does not tip over. Why does the bangka not tip over?

Read this: A bangka has bamboo poles on both sides, called katig. The katig float on the water. When a wave pushes the boat, the katig press on the sea, so the bangka does not tip over. Which word in the text shows a reason?

Read this: Mangrove trees grow in the mud by the sea. Their roots rise up like sticks. The roots slow the water down, so the soil drops and stays. That is why the shore does not wash away. What makes the soil stay?

Read this: Mangrove trees grow in the mud by the sea. Their roots rise up like sticks. The roots slow the water down, so the soil drops and stays. That is why the shore does not wash away. Is this a description or an explanation?

Read this: Farmers keep water in their rice fields. Rice can live with its roots under water, but most weeds cannot. That is why farmers flood the field. Why do the farmers flood the field?

Read this: Farmers keep water in their rice fields. Rice can live with its roots under water, but most weeds cannot. That is why farmers flood the field. Which words in the text give the reason?

Read this: A carabao works in the hot sun. It has very few sweat glands, so it cannot cool itself the way people do. It lies in wet mud instead, because the mud pulls the heat away. Why does the carabao lie in the mud?

Read this: A carabao works in the hot sun. It has very few sweat glands, so it cannot cool itself the way people do. It lies in wet mud instead, because the mud pulls the heat away. What does this text do?

Read this: Rain sounds very loud on a metal roof. The metal sheet is thin, so every drop makes it shake. The empty space under the roof makes the sound even louder. What makes the rain so loud?

Read this: Some people throw plastic and leaves into the canal. The trash blocks the drain, so the rain water cannot flow away. The water rises in the street, and that is why the road floods. Why does the road flood?

Read this: Some people throw plastic and leaves into the canal. The trash blocks the drain, so the rain water cannot flow away. The water rises in the street, and that is why the road floods. The text says the road floods because the canal is too deep.

Read this: A coconut can fall into the sea and float for many days. Its thick husk is full of tiny air spaces. That is why the whole fruit is light for its size and does not sink. What makes the coconut float?

Read this: The hills in Ifugao are steep. Long ago, farmers cut them into flat steps with strong walls. The rain water stays on each step, so the soil is not washed down the hill. Why did farmers cut the hill into steps?

Read this: In Pangasinan, sea water is let into shallow beds. The hot sun dries the water into the air. The salt cannot go into the air, so it is left behind as white crystals. What does this text explain?

Read this: The Philippine eagle nests in big old trees deep in the forest. Many of those forests have been cut down, so the eagles have fewer places to nest and hunt. That is why so few are left. Why are there so few eagles?

Read this: A fish does not breathe air the way you do. There is a little oxygen in the water. When water flows over the fish's gills, the gills take that oxygen in, so the fish can live under water. How does the fish get oxygen?

Read this: Water alone slides off dirty hands. Soap takes hold of the grease and germs on your skin, so rubbing lifts them off. Then the water can carry them down the drain. Why is soap better than water alone?

Read this: Wet clothes on the line dry fast on a sunny, windy day. The sun warms the water, so more of it turns into vapor. The wind blows the damp air away, so more water can leave the cloth. Is this an explanation or a description?

Read this: Mosquitoes lay their eggs in still water. Even a small pail of rain water is enough. The eggs hatch there, so families empty their pails and pots every week. Why do families empty the pails every week?

Read this: A bamboo pole is light because it is hollow inside. Its wall is packed with tough fibers, and hard rings hold the pole together. A thin pole can carry a heavy load. Which word tells the reader a reason is coming?