Brittleness
Some things break fast. They snap with a loud sound. They do not bend first. Glass is like this. It can be hard to fix. Have you ever heard a snap? It is a quick break.
Early Reader · Change the reading level on the articlePhysical Science articles — Page 19
Explore matter, energy, chemistry and the physical laws that help explain everyday life. Choose an article below; its reading controls let you move between the available levels.
2,727 public articles · Page 19 of 57
Bromide
Bromide is found in the sea. It is in many kinds of food. Some fish have a lot of it. It can help some animals feel better. It is also used to help stop fires. Do you like eating fish?
Early Reader · Change the reading level on the articleBrønsted–Lowry acid–base theory
Some things act like acids. Some things act like bases. They can swap tiny bits. This helps them react. It is like a game of catch. This is how they work. Do you want to learn more?
Early Reader · Change the reading level on the articleBruno Rossi
Bruno Rossi was a smart man. He studied tiny bits from space. These bits fly all around us. He built tools to find them. His work helps us learn about the stars. Do you like looking at the sky?
Early Reader · Change the reading level on the articleBubble chamber
Tiny bits move through a special tank. They make small bubbles in a liquid. These bubbles show us where the bits go. This helps us learn about our world. It is very cool to see! Can you see the bubbles?
Early Reader · Change the reading level on the articleBuckminsterfullerene
Some tiny things look like balls. They look just like a football. These balls are very small. They are even in space! They are also in black soot. Can you find a ball? They can turn a liquid purple. They are very neat.
Early Reader · Change the reading level on the articleBuffer solution
Some liquids stay the same. They do not change much. This helps our blood stay safe. It also helps the ocean. It is like a shield. Do you like to stay safe?
Early Reader · Change the reading level on the articleBulk modulus
Some things are hard to squeeze. They do not change shape easily. This helps things stay strong. It matters when we build things. It is neat to learn! Do you like to squeeze play dough?
Early Reader · Change the reading level on the articleBurton Richter
Burton Richter was a smart man. He studied how tiny things work. He found a new little piece of our world. This work helped us learn a lot. He won a big prize for it. Do you like to learn new things?
Early Reader · Change the reading level on the articleCadaverine
Some things have a bad smell. This is one of those things. It can come from animal parts. It makes a very strong odor. It is part of our world. Can you imagine that smell? It is quite a discovery!
Early Reader · Change the reading level on the articleCadmium sulfide
This is a bright yellow salt. It can be used in paint. Many artists use it for color. It even helps make power from the sun. It is very pretty. Do you like the color yellow?
Early Reader · Change the reading level on the articleCaesium-137
Some things are very tiny. This thing is a tiny part of our world. It can help doctors help people. It can also be bad if it gets out. We must be very careful with it. Do you want to learn more?
Early Reader · Change the reading level on the articleCalcium acetate
Some white crystals help us stay well. You can find them in food. They can even help make tofu. They help keep our bones strong. It is a neat thing to find. Do you like tofu?
Early Reader · Change the reading level on the articleCalcium carbide
Some rocks can make gas. This gas can burn. It can make bright light. People used it in old lamps. It can even help grow food. Do you like bright lights?
Early Reader · Change the reading level on the articleCalcium citrate
This is a special kind of salt. It helps keep food fresh. It can also help your body. Some people take it as a pill. It is good for you. Do you like healthy food?
Early Reader · Change the reading level on the articleCalcium fluoride
This is a white stone. It can be many colors. Some parts help your teeth stay strong. It can also make glass for tools. It is a very helpful thing. Do you like shiny stones?
Early Reader · Change the reading level on the articleCalcium oxide
Quicklime is a white powder. It comes from rocks or shells. It gets very hot with water. This heat can warm food. It also helps make cement. We use it to build things. Can you find white rocks outside?
Early Reader · Change the reading level on the articleCalcium sulfate
Some white rocks are very special. They can turn into a soft paste. This paste helps make hard walls. It can even help fix a broken bone. It can also soak up water. Do you want to see it turn hard?
Early Reader · Change the reading level on the articleCalcium sulfide
This is a white salt. It looks like small cubes. It can glow red in the dark. It can also be found in space. It is a rare thing to see. Do you like things that glow?
Early Reader · Change the reading level on the articleCalorimeter
A calorimeter is a special tool. It measures heat. It can see how much heat things make. This helps us learn about science. It is very useful. Can you feel heat too?
Early Reader · Change the reading level on the articleCalorimeter (particle physics)
A tool helps us see tiny things. It catches small bits of light and matter. The tool finds out how much power they have. This helps us learn about our world. It is very neat to see. Do you like to learn new things?
Early Reader · Change the reading level on the articleCalorimetry
We can measure heat. Scientists use tools to see how heat moves. It helps us learn about things. It can even help us learn about our bodies. Isn't science cool? Do you like to learn about heat?
Early Reader · Change the reading level on the articleCamphor
Camphor is a waxy solid. It has a strong smell. It comes from trees. Some people use it as a cream. It can help with itchy skin. It can also keep bugs away. Do you like strong smells?
Early Reader · Change the reading level on the articleCandlepower
We use this to measure light. It tells us how bright a light is. Some lights are very bright. A flashlight can have a lot of it. It helps us see in the dark. Do you like bright lights?
Early Reader · Change the reading level on the articleCanonical ensemble
Things can be hot or cold. A big warm bath helps things stay the same. It gives heat to small things. This can change how they move. We can use this to learn. Do you like warm baths?
Early Reader · Change the reading level on the articleCarat (mass)
We use a special way to weigh gems. It helps us know how heavy a stone is. This helps people buy pretty pearls. It is a very small weight. Do you like shiny stones?
Early Reader · Change the reading level on the articleCarbide
Some things are made of metal and carbon. They are very hard. People use them to make tools. These tools help us cut things. They are very strong. Do you like hard things?
Early Reader · Change the reading level on the articleCarbon-12
Most carbon is a special kind. It comes from bright stars. It is in almost all carbon. We use it to measure things. It helps us learn about the world. Can you find carbon in your home?
Early Reader · Change the reading level on the articleCarbon-14
Tiny bits of carbon are in the air. They get into plants and animals. This helps us learn how old things are. We can find the age of old bones. It is like a secret clock. Can you find old things in the dirt?
Early Reader · Change the reading level on the articleCarbonated water
Some water has tiny bubbles. These bubbles make it fizzy. It can come from the ground. People can make it at home too. It feels good to drink. Do you like fizzy water?
Early Reader · Change the reading level on the articleCarbon disulfide
Some liquids are used to make things. This liquid helps make soft cloth. It can also help make rubber. This liquid can make people sick. We must be very careful with it. Do you like wearing soft clothes?
Early Reader · Change the reading level on the articleCarbon group
Some things are in a group. They all have four small parts. Carbon is one of them. It is in you! Silicon is in rocks too. These things are all around us. Do you see them?
Early Reader · Change the reading level on the articleCarbonic acid
Some air turns into acid in water. This happens when air meets water. It can make the sea change. This matters to all living things. It is a big job for nature. Do you like fizzy water?
Early Reader · Change the reading level on the articleCarbon steel
Steel is a very strong metal. It is made of iron and a little bit of carbon. We use it to make cars and tools. It helps us build big things. Can you find something made of steel?
Early Reader · Change the reading level on the articleCarbon tetrachloride
This is a clear liquid. It was used to clean things. It was also used to put out fires. People do not use it much now. It can make people sick. It is not safe for us. Have you seen a fire tool?
Early Reader · Change the reading level on the articleCarbonyl group
Some tiny things join together. They use carbon and oxygen. This group is in many things. It helps make many kinds of matter. It is a big part of our world. Can you find it in science?
Early Reader · Change the reading level on the articleCarborane
Some tiny things look like little cages. These cages are made of small bits. They use bits called boron and carbon. These cages can help doctors. They might help treat sick people. Do you like tiny shapes?
Early Reader · Change the reading level on the articleCarborane acid
Some acids are very, very strong. These acids can change other things. They are stronger than the acid in a battery. They work in a gentle way. They do not break things too fast. Can you imagine a super strong acid?
Early Reader · Change the reading level on the articleCarl Bosch
Carl Bosch was a smart man. He helped make food for plants. This helps plants grow big. It helps feed many people. His work was very helpful. Do you like to help others?
Early Reader · Change the reading level on the articleCarl David Anderson
Carl Anderson was a smart man. He studied how tiny things work. He found a new part of nature. This helped us learn about our world. He won a very big prize. Do you like to learn new things?
Early Reader · Change the reading level on the articleCarl Gustaf Mosander
A man named Mosander found new things. He found parts of rocks. These parts are special. They help us learn about our world. He was a smart man. Do you like to find new things?
Early Reader · Change the reading level on the articleCarlo Rubbia
Carlo Rubbia is a smart man. He studies tiny things. He found new bits of matter. This work helped us learn a lot. He even won a big prize. Do you like science too?
Early Reader · Change the reading level on the articleCarl Wagner
Carl Wagner was a smart man. He studied how tiny things work. He learned how solids change. His work helps make batteries. It also helps make solar power. He was a great teacher. Do you like to learn?
Early Reader · Change the reading level on the articleCarl Wieman
Carl is a smart man. He studies how things work. He won a big prize for his work. He also helps kids learn science. This helps us all. Do you like to learn new things?
Early Reader · Change the reading level on the articleCarl Wilhelm Scheele
Carl was a man who loved science. He worked in a shop for medicine. He found many new things in the air. He found things that help us live. His work helps us learn about our world today. Can you find something new today?
Early Reader · Change the reading level on the articleCarnot cycle
Heat can do work. It moves from hot to cold. This helps engines run. It can also help keep things cold. This is a big idea for science. Can you feel the heat?
Early Reader · Change the reading level on the articleCarolyn Bertozzi
Carolyn is a smart scientist. She studies tiny things in our bodies. She looks at the sugar on our cells. This helps us learn about being sick. Her work helps many people. Do you like to learn new things?
Early Reader · Change the reading level on the articleCarvone
Some plants have a special smell. This smell is in mint. It is also in seeds. It helps make food taste good. It can even keep bugs away. Can you smell mint?
Early Reader · Change the reading level on the article