Volcanology
Some people study volcanoes. They look at hot, red rock. They watch how mountains grow. This work helps keep us safe. It is very cool to learn. Do you like big mountains?
Early Reader · Change the reading level on the articleEarth Science articles — Page 30
Explore rocks, volcanoes, weather, oceans and the processes that shape Earth. Choose an article below; its reading controls let you move between the available levels.
1,427 public articles · Page 30 of 30
Vredefort impact structure
A huge rock hit the Earth. It made a giant hole. Now, we only see some hills. These hills are in South Africa. They show where the rock hit. It was a very long time ago. Can you find it on a map?
Early Reader · Change the reading level on the articleWadden Sea
The sea meets the land here. It has much mud. Many birds live in the mud. Seals like to swim here too. It is a special place. Do you want to see the birds?
Early Reader · Change the reading level on the articleWadi
A wadi is a dry path in the desert. It stays dry most of the time. It fills with water when it rains hard. This water helps plants grow there. People can find water deep under the sand. Can you imagine a desert river?
Early Reader · Change the reading level on the articleWaiotapu
Waiotapu is a special place. It is in New Zealand. The ground here is very hot. You can see bright, colorful pools. It is fun to look at them. Do you like bright colors?
Early Reader · Change the reading level on the articleWater quality
Water can be clean or dirty. We check if water is safe. Some water is good to drink. Some water is for fish. It is good to keep water clean. Do you like to swim in clean water?
Early Reader · Change the reading level on the articleWaterspout
A waterspout is a spinning cloud. It looks like a long funnel. It stays over the water. It can move very fast. It can even lift small fish! It is a wild thing to see. Have you ever seen a spinning cloud?
Early Reader · Change the reading level on the articleWeather map
A weather map shows the sky. It tells us about the wind. It shows where clouds are. It helps us know if rain is coming. This helps us stay safe. Do you like to check the weather?
Early Reader · Change the reading level on the articleWeather station
A weather station tracks the sky. It tells us if it is hot. It shows how fast wind blows. It counts the rain too. This helps us know the weather. Do you like the rain?
Early Reader · Change the reading level on the articleWesterlies
Big winds blow across the Earth. These winds blow from the west. They move the air and the sea. This helps keep our world warm. Do you feel the wind blow?
Early Reader · Change the reading level on the articleWestern Interior Seaway
A long time ago, a big sea lived here. It split the land in two. Big fish and sea reptiles swam in the water. It was a warm and busy place. Do you like the ocean?
Early Reader · Change the reading level on the articleWet season
The wet season brings lots of rain. It can last for a long time. The rain helps green plants grow. It also fills up the rivers. This helps us have food to eat. Do you like the rain?
Early Reader · Change the reading level on the articleWhakaari / White Island
Whakaari is a big volcano. It is in the sea. The island has hot mud. It also has hot water. It can blow out steam. It is a busy place. Do you like volcanoes?
Early Reader · Change the reading level on the articleWhirlpool
Water can spin in a circle. It looks like a swirl. This can happen in a sink. It can happen in the sea too. It is very cool to see. Have you seen spinning water?
Early Reader · Change the reading level on the articleWhirlwind
A whirlwind is spinning air. It looks like a tall tube. It can pick up dust or snow. It moves fast on the ground. Some are big and some are small. Watch the wind spin! Have you seen one?
Early Reader · Change the reading level on the articleWhiteout (weather)
Everything looks white in a whiteout. Snow or fog hides the ground. You cannot see the sky or the road. It is hard to know where you are. This is why cars must stop. Have you ever seen a whiteout?
Early Reader · Change the reading level on the articleWhite Sands National Park
The sand here is very white. It looks like snow. It is made of tiny crystals. You can sled on the hills. It is a fun place to play. Do you like the white sand?
Early Reader · Change the reading level on the articleWilderness
Wild lands are very special. They are places where people do not live. Many plants and animals live there. We can go there to play. It is good to keep them safe. Do you like the wild?
Early Reader · Change the reading level on the articleWilliam Maclure
William was a man who loved rocks. He made a big map of the land. He traveled many places to see it. This map helps us learn. He also gave books to many people. Do you like to look at maps?
Early Reader · Change the reading level on the articleWilliam Morris Davis
A man named William studied the Earth. He looked at rivers and land. He saw how rivers change the ground. This helps us know our world. He was a great teacher. Do you like to look at rocks?
Early Reader · Change the reading level on the articleWilliam Smith (geologist)
William Smith made a big map. He used colors to show rocks. He looked for old shells in the ground. This helped him learn about the Earth. He was a very smart man. Do you like looking at maps?
Early Reader · Change the reading level on the articleWind Cave National Park
There is a big cave in South Dakota. It can breathe air in and out. This makes a wind in the cave. You can see many animals there too. Do you like to explore caves?
Early Reader · Change the reading level on the articleWind shear
The wind can change fast. It can change how hard it blows. It can even change its way. This can make planes move in a new way. It matters to pilots in the sky. Do you feel the wind move?
Early Reader · Change the reading level on the articleWind wave
The wind blows on the water. It makes small ripples. The wind can make big waves too. These waves can travel far. They move across the sea. Do you like to watch waves?
Early Reader · Change the reading level on the articleWinter storm
A winter storm brings cold weather. It can bring snow or ice. The wind can blow very hard. This makes it hard to see. It can be very cold outside. Do you like to play in the snow?
Early Reader · Change the reading level on the articleWladimir Köppen
A man named Wladimir studied the weather. He looked at how heat affects plants. He made a map of the world. This map shows different kinds of weather. It helps us learn about our Earth. Do you like to watch the clouds?
Early Reader · Change the reading level on the articleWolframite
This is a dark rock. It comes from deep in the earth. We use it to make strong metal. This metal helps make tools. It is very heavy. Do you like looking at rocks?
Early Reader · Change the reading level on the articleWollastonite
This is a white rock. It is found in the ground. Heat and pressure make it. It helps make paint and tiles. It is very useful to us. Do you like white rocks?
Early Reader · Change the reading level on the articleYellowstone hotspot
A hot spot is under the ground. It makes big volcanoes. The ground moves over the hot spot. This makes many new lands. It is very amazing. Do you want to see it?
Early Reader · Change the reading level on the articleYonaguni Monument
There are big rocks under the sea. They look like steps or walls. Some people think people built them. Other people think the water made them. It is a very cool place to see. Do you want to dive down and look?
Early Reader · Change the reading level on the articleYugansky Nature Reserve
This is a big land in Russia. It has many trees and wet swamps. Bears and elk live here. It is a safe home for them. It is a special place to see. Do you like to see wild animals?
Early Reader · Change the reading level on the articleZealandia
A big piece of land is hidden. Most of it is under the sea. New Zealand is the part you can see. It is a very old place. It is almost as big as Australia. Do you want to go exploring?
Early Reader · Change the reading level on the articleZeolite
Zeolites are special rocks. They have tiny holes. These holes hold water. They also clean our water. We use them in soap. They help us every day. Do you like clean water?
Early Reader · Change the reading level on the articleZircon
Zircon is a pretty stone. It can be many colors. Some are blue or red. Some are even green. These stones are very hard. They stay strong for a long time. Do you like bright colors?
Early Reader · Change the reading level on the articleδ18O
Scientists look at tiny shells. These shells tell us about the past. They show if the water was warm or cold. This helps us learn about our Earth. It is like a secret code. Can you find a shell at the beach?
Early Reader · Change the reading level on the article