Tropical monsoon climate
Some places are very warm. They have lots of rain. But they also have dry times. This can happen in Asia or Africa. It makes the land change. Do you like the rain?
Early Reader · Change the reading level on the articleEarth Science articles — Page 29
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 29 of 30
Tropical rainforest climate
Some places are hot and wet. It rains all year long. The air feels damp too. This helps many green plants grow. It stays warm every day. Do you like the rain?
Early Reader · Change the reading level on the articleTropical Rainforest Heritage of Sumatra
Big green forests grow on a far island. They have many tall trees. You can see huge flowers there. Some animals like tigers live in the trees. These forests are a special place. Do you like the jungle?
Early Reader · Change the reading level on the articleTropical savanna climate
Some places have wet and dry times. It can be very dry. This makes the land have tall grass. You might see trees too. It is a warm place. Do you like the sun?
Early Reader · Change the reading level on the articleTroposphere
This is the air near the ground. It holds all our water. Most weather happens here. It helps us breathe every day. We live inside this layer. Can you feel the wind?
Early Reader · Change the reading level on the articleTrou au Natron
There is a big hole in the ground. It is in a place called Chad. The bottom is white like salt. This white crust comes from hot steam. It was once a deep lake. Do you want to see it?
Early Reader · Change the reading level on the articleTrou aux Cerfs
A big hole sits in the ground. It is a deep lake. It was made by a hot mountain. Now it is a quiet place. Many birds live there. Can you see the birds?
Early Reader · Change the reading level on the articleTugtupite
Tugtupite is a pretty stone. It can be pink or red. Some are even blue or green. People use it as a gem. It is a special find. Do you like bright colors?
Early Reader · Change the reading level on the articleTurbidite
Sand slides down the deep ocean. It moves like a big slide. First, the heavy sand lands. Then, the soft mud lands. This makes layers in the sea. It helps us learn about the Earth. Can you see the layers?
Early Reader · Change the reading level on the articleTurbidity current
Dirty water slides down hills. It moves very fast. It carries sand and mud. This can happen in the deep sea. It can also happen in lakes. It is like a fast flood. Can you imagine fast water underwater?
Early Reader · Change the reading level on the articleTurquoise
Turquoise is a pretty stone. It can be blue or green. Some parts look like the sky. People use it for jewelry. It is very special. Do you like blue stones?
Early Reader · Change the reading level on the articleTwilight
Twilight is a soft light. It happens when the sun is low. It is not day or night. The sky looks very pretty. It helps us see the stars. Do you like the blue sky?
Early Reader · Change the reading level on the articleType locality (geology)
Some rocks are very special. Scientists find them in one place first. This place is a special spot. It helps us name the rock. It is like a home for a new find. Do you like looking for rocks?
Early Reader · Change the reading level on the articleTyphoon
A typhoon is a big storm. It has very fast winds. These storms live in the ocean. They can bring much rain. This helps the land get water. Have you seen a big storm?
Early Reader · Change the reading level on the articleTyrrhenian Sea
This is a big sea. It is near Italy. Many islands are in the water. Deep down, there are volcanoes. Some fish live in a deep canyon. It is a busy place. Do you like the sea?
Early Reader · Change the reading level on the articleUlawun
Ulawun is a big mountain. It is a volcano. It can blow out ash and fire. Many people live near it. It is very active. Have you ever seen a volcano?
Early Reader · Change the reading level on the articleUlexite
This is a special rock. It looks like white cotton. It can show a picture. You can see things through it! It is called TV rock. Do you want to see it?
Early Reader · Change the reading level on the articleUltraviolet index
The sun sends rays to Earth. Some rays can burn your skin. We use a number to see how strong they are. This number helps us stay safe. You can wear a hat or use cream. Will you play in the shade today?
Early Reader · Change the reading level on the articleUnconformity
Rocks can tell a story. Sometimes, a part of the story is gone. This happens when old rocks wear away. Then, new rocks sit on top. It is like a missing page in a book. Can you find a gap in the rocks?
Early Reader · Change the reading level on the articleUnderground lake
Some lakes are under the ground. They hide in deep caves. Water flows down to the bottom. It fills up the big spaces. These lakes are very rare. It is a cool thing to find. Do you like caves?
Early Reader · Change the reading level on the articleUpland and lowland
Land can be high or low. High land is cold and rocky. The water moves fast there. Low land is flat and warm. The water moves slow there. Many fish live in these spots. Do you like fast water or slow water?
Early Reader · Change the reading level on the articleUpper mantle
A thick layer of rock is inside Earth. It sits under the ground. This rock moves very slowly. It helps move the big plates on top. This matters to our world. Can you feel the ground?
Early Reader · Change the reading level on the articleUpwelling
Wind blows on the sea. It pushes warm water away. Cold water moves up from the deep. This water has good food in it. It helps tiny plants grow. This food helps many fish. Do you like fish?
Early Reader · Change the reading level on the articleUraninite
This rock is black. It has a special power. It can change over time. This makes it very rare. It is a big find. Can you find a black rock?
Early Reader · Change the reading level on the articleUrban heat island
Cities can feel very hot. Buildings and roads hold heat. This makes cities warmer than the woods. Trees and grass help keep us cool. They give us nice shade. Do you like playing in the shade?
Early Reader · Change the reading level on the articleUr (continent)
Long ago, Earth had one big land. This land was called Ur. It was very old. It was the first land on Earth. Now, the land is in many small parts. Can you find them on a map?
Early Reader · Change the reading level on the articleU-shaped valley
Ice can carve the land. Big ice moves down mountains. It makes the ground flat. The sides become very steep. It looks like the letter U. Have you seen a big valley?
Early Reader · Change the reading level on the articleVaalbara
A long time ago, the land was different. Parts of Africa and Australia were joined. This big land was called Vaalbara. It was one of the first lands. It helps us learn about our Earth. Do you like old stories?
Early Reader · Change the reading level on the articleVanch-Yakh Glacier
This is a very big river of ice. It is in the high mountains. The ice is very long and thin. It melts and flows into a river. This helps water reach far away places. It is a grand sight! Can you see the white ice?
Early Reader · Change the reading level on the articleVein (geology)
Sometimes rocks have lines in them. These lines are called veins. They are made of tiny bits of stone. Water carries these bits into cracks. The bits stay there and grow. They can even hold gold! Can you find a rock…
Early Reader · Change the reading level on the articleVermiculite
Some rocks grow when they get hot. This rock puffs up like a snack. It helps plants grow in dirt. It can even keep houses safe from fire. It is a very busy rock! Do you like to garden?
Early Reader · Change the reading level on the articleVertical draft
Warm air moves up into the sky. This makes big clouds grow. The air rises to make storms. These storms can be very strong. They can even move planes. We watch the sky to stay safe. Can you see a big cloud?
Early Reader · Change the reading level on the articleVictor Goldschmidt
Victor was a smart man. He studied rocks and earth. He found out how they work. This helps us learn about our world. He was a very good teacher. Do you like to look at rocks?
Early Reader · Change the reading level on the articleVilhelm Bjerknes
Vilhelm Bjerknes studied the weather. He helped us know if it will rain. He used math to learn about air. This helps us stay safe. He was a great thinker. Do you like to watch the clouds?
Early Reader · Change the reading level on the articleVivian Fuchs
Vivian Fuchs was a brave man. He loved to explore the world. He led a big trip to the ice. He crossed a very cold land. He found out about the land under the ice. It was a big job. Do you like to explore?
Early Reader · Change the reading level on the articleVladimir Vernadsky
Vladimir was a man who loved the Earth. He studied rocks and life. He found that living things change our world. This helps us know how our planet works. He was a very smart teacher. Do you like to look at rocks?
Early Reader · Change the reading level on the articleVolcán de Agua
A big mountain is in Guatemala. It is a very tall volcano. It does not blow fire now. People grow coffee on its sides. It can still have big mudslides. Have you seen a big mountain?
Early Reader · Change the reading level on the articleVolcán de Colima
This is a big volcano in Mexico. It can blow smoke into the sky. It also sends ash to the ground. Many people live near it. We must watch it closely. Do you like to see big mountains?
Early Reader · Change the reading level on the articleVolcanic arc
Some volcanoes form in a long line. They look like a big curve. One part of the ground sinks deep down. This makes hot melted rock rise up. This rock makes the volcanoes grow. It is a big job for the Earth. Do you…
Early Reader · Change the reading level on the articleVolcanic cone
Some mountains are shaped like cones. They grow from a hole in the ground. Hot rock piles up around the hole. This makes a tall hill. It can look very neat. Do you like big mountains?
Early Reader · Change the reading level on the articleVolcanic crater
A crater is a big hole. It looks like a bowl. It sits on a mountain. Hot rock and gas come out of it. Sometimes, rain fills the hole to make a lake. It is very cool to see. Have you seen a big hole?
Early Reader · Change the reading level on the articleVolcanic crater lake
Some lakes live in volcanoes. They form in big holes. Rain and snow fill the hole. The water stays there. It can be very deep. Have you seen a lake?
Early Reader · Change the reading level on the articleVolcanic glass
Hot melted rock can turn into glass. This happens when the rock cools very fast. It can look like tiny threads. It can even look like tears. It is a cool thing to see! Have you ever seen glass made by a volcano?
Early Reader · Change the reading level on the articleVolcanic island
Some islands are made by fire. They rise up from the deep sea. These islands can have big mountains. They often have many green trees. They can have fresh water to drink. Do you like to visit islands?
Early Reader · Change the reading level on the articleVolcanic plug
Hot rock can turn into hard stone. This rock stays in a hole. It looks like a tall neck. The rock is very strong. It stays even when wind blows. It is a cool sight! Have you seen a tall rock?
Early Reader · Change the reading level on the articleVolcanic rock
Hot lava makes new rocks. It comes from a volcano. The lava cools down. Then it turns hard. This rock is all around us. Can you find a rock?
Early Reader · Change the reading level on the articleVolcanic winter of 536
Long ago, the sun went dark. Big fires in the ground sent ash up. This ash hid the sun. The air felt very cold. It was hard to grow food. People had a very tough time. Have you ever seen a dark sky?
Early Reader · Change the reading level on the articleVolcanism
Hot things can burst out of the ground. Deep inside a planet, it is very hot. This heat melts rocks into liquid. The hot liquid rises up. It breaks through the top. This makes a volcano. Do you want to see a volcano?
Early Reader · Change the reading level on the article