Technology
People make tools to help them. These tools can be big or small. We use them every day. They help us do many things. Do you use tools at home?
Early Reader · Change the reading level on the articleTechnology articles
Explore inventions, engineering, computing and the tools people build to solve problems. Choose an article below; its reading controls let you move between the available levels.
4,107 public articles · Page 1 of 86
Business
A business makes money. People sell things or help others. They might sell food or toys. This helps us get what we need. It is how many people work. Do you want to start a business?
Early Reader · Change the reading level on the articleCommunication
Sharing things is called communication. You can talk with words. You can use your hands too. It helps us all get along. Do you like to talk to friends?
Early Reader · Change the reading level on the articleComputer
A computer is a smart machine. It can do many tasks. It can even help us talk to friends. We use them every day. It is very helpful! Do you use a computer?
Early Reader · Change the reading level on the articleEngineering
People use science to build things. They make tools and big machines. They also build roads and bridges. This helps us every day. It makes our lives better. Do you like to build things?
Early Reader · Change the reading level on the articleManufacturing
People make things with tools. They use machines to help. This makes many goods for us. It makes our cars and toys. Making things is very fun. What can you make today?
Early Reader · Change the reading level on the articleMass media
Many people see the same things. They see news or movies. They read books and news. This helps us learn. It can be fun too. Do you like to watch TV?
Early Reader · Change the reading level on the articleTool
A tool is something we use to help. It can do a job for us. We use them to make things. They help us do things our hands cannot. Tools are very useful. Do you use tools at home?
Early Reader · Change the reading level on the articleTransport
We move things from place to place. We use cars and big planes. We can also use boats on water. Animals and even our own feet help us move. This helps us get what we need. How do you get to school?
Early Reader · Change the reading level on the articleAircraft
Some things can fly in the sky. These are called aircraft. Some use big balloons to float. Others use wings to move. They help us travel far. Do you want to fly?
Early Reader · Change the reading level on the articleArmour
Armour is a hard covering. It keeps people safe. It stops hits from tools or weapons. People wear it to stay safe. It can be made of metal. It helps us do hard work. Do you like shiny metal?
Early Reader · Change the reading level on the articleArtificial intelligence
Computers can do smart things. They can learn from us. They can solve hard puzzles. They can even talk to you. This helps us every day. Do you like smart machines?
Early Reader · Change the reading level on the articleBuilding
A building is a place to stay. It has walls and a roof. It keeps us safe from the weather. We live or work in them. They can be big or small. Do you live in a building?
Early Reader · Change the reading level on the articleCamera
A camera takes pictures. It catches light in a box. Light goes through a glass lens. Then the light makes an image. It helps us keep memories. Do you like taking photos?
Early Reader · Change the reading level on the articleCar
A car has wheels. It helps us go places. It can carry people. We use cars every day. Cars are very cool. Do you like cars?
Early Reader · Change the reading level on the articleCompass
A compass helps us find our way. It has a tiny needle. This needle points to the north. It helps you not get lost. It is a great tool. Can you find north?
Early Reader · Change the reading level on the articleCryptography
We can hide our words. We use a secret way to write. This makes the words look like nonsense. It helps keep our notes safe. Only friends know the secret. Do you have a secret code?
Early Reader · Change the reading level on the articleDam
A dam is a big wall. It stops water from moving. It can hold water in one place. This helps us have water to use. It can even make power. Do you like to swim in lakes?
Early Reader · Change the reading level on the articleElectric battery
A battery gives us power. It makes things work. It can power a small watch. It can even power a big car. Some batteries can be used again. We use them every day. Do you use batteries?
Early Reader · Change the reading level on the articleElectric light
Electric lights make light from power. They help us see in the dark. They can be in a lamp or a bulb. This helps you read at night. It is very useful. Do you like bright lights?
Early Reader · Change the reading level on the articleElectric motor
An electric motor uses power to move. It can turn a wheel or a fan. It uses magnets to help it spin. This helps many tools work for us. It is in your toys and tools. Can you find one in your house?
Early Reader · Change the reading level on the articleElectronics
Tiny bits of power move in tools. These bits make things work. They help us talk and play. They are in your toys. They are in your school tools. Can you find one?
Early Reader · Change the reading level on the articleEngine
An engine makes things move. It can turn power into motion. It helps cars go fast. It helps big ships move too. Engines are very cool. Do you like fast cars?
Early Reader · Change the reading level on the articleFirearm
A gun shoots things far away. It uses a small blast to push. This blast makes the shot move. It can be small or big. People use them in many ways. Can you see the different kinds?
Early Reader · Change the reading level on the articleFortification
A fort is a strong place. It uses walls to stay safe. People built them a long time ago. These walls help keep towns safe. They are very big and tall. Do you like big walls?
Early Reader · Change the reading level on the articleGunpowder
Gunpowder is a mix that burns fast. It helps things move. It can make bright fireworks. People use it for big shows. It was made in China long ago. Do you like fireworks?
Early Reader · Change the reading level on the articleHydropower
Moving water makes power. It can turn big wheels. This makes light for our homes. It helps us do work. Water power is very good. Can you see a river?
Early Reader · Change the reading level on the articleInformation
We find clues all around us. These clues tell us things. They help us learn. We can see or hear them. They help us know the world. Do you like to learn new things?
Early Reader · Change the reading level on the articleInfrastructure
Many things help our towns work. Roads and bridges help us move. Pipes bring clean water to you. Power lines give us light. These things help us live well. We need them every day. Do you see a big bridge?
Early Reader · Change the reading level on the articleIntegrated circuit
Small chips help our tools work. They are inside phones and TVs. These tiny parts make things fast. They help us play games. They are very small. Do you see a chip in your toy?
Early Reader · Change the reading level on the articleInternal combustion engine
An engine helps things move. It uses fuel to make power. The fuel burns inside. This makes a strong push. This push moves the parts. It helps cars and boats go. Can you hear an engine?
Early Reader · Change the reading level on the articleInternet
Computers all over the world talk to each other. They use a big web of wires. This helps us share news and games. It helps us stay close to friends. It is very cool! Do you use it too?
Early Reader · Change the reading level on the articleJohannes Gutenberg
A man named Gutenberg made a machine. It was a big press. It helped make many books fast. This helped people read more. He was a great inventor. Do you like to read books?
Early Reader · Change the reading level on the articleKnife
A knife is a tool. It has a sharp edge. It also has a handle. People use it to cut food. It helps us every day. Do you use a knife at dinner?
Early Reader · Change the reading level on the articleLaser
A laser is a bright light. It makes a very straight beam. The light stays in a thin line. It can help us do many jobs. It is a great tool. Do you see a laser beam?
Early Reader · Change the reading level on the articleMail moves things from place to place. It carries letters and small boxes. People use stamps to pay for it. This helps us talk to friends far away. It is a very old way to send news. Do you like getting mail?
Early Reader · Change the reading level on the articleMasonry
People build things with stone and brick. They use a thick paste to hold them. This helps walls stay strong. These buildings can last a long time. Do you see brick walls near you?
Early Reader · Change the reading level on the articleMechanical engineering
People study how things move. They build big machines. They make cars and planes. These tools help us every day. It is very fun to learn. Do you like machines?
Early Reader · Change the reading level on the articleMetallurgy
People use many kinds of metal. Metals come from rocks in the ground. We can melt them to make things. This helps us make tools. We use metal every day. Do you like using metal toys?
Early Reader · Change the reading level on the articleMicroscope
A microscope helps us see. It shows tiny things. We cannot see them with our eyes. It makes small things look big. This helps us learn. Do you want to see something tiny?
Early Reader · Change the reading level on the articleMobile phone
A mobile phone is a small phone. You can carry it with you. It lets you talk to friends. It can also send notes. Many people in the world use them. Do you have a phone?
Early Reader · Change the reading level on the articleNatural rubber
Trees make a white liquid. It is very sticky. People collect it from tree bark. We use it to make many things. It can stretch and bounce. Do you like rubber toys?
Early Reader · Change the reading level on the articleNavigation
Finding your way is called navigation. It helps us move from place to place. You can use a map to find a path. People use it on land and sea. It helps ships and planes stay safe. Do you like to find your way?
Early Reader · Change the reading level on the articleNews
A computer program once showed pictures on a screen. It helped people use a mouse. It could make a clock on the screen. It could even make eyes that move. This helped us use computers. Do you like using a mouse?
Early Reader · Change the reading level on the articleNikola Tesla
Nikola Tesla was a great inventor. He made new things. He helped bring light to homes. This helps us see at night. He was a very smart man. Do you like to build things?
Early Reader · Change the reading level on the articleNuclear power
Some power comes from tiny bits. It makes the lights turn on. This helps us have power. It is a clean way to work. It helps our air stay good. Do you like lights?
Early Reader · Change the reading level on the articleOven
An oven makes things very hot. It is a box with heat inside. We use it to cook our food. It helps us make bread and cake. It is a very helpful tool. Do you like warm food?
Early Reader · Change the reading level on the articlePaper
Paper is a thin sheet. It is made from tiny bits of plants. These bits are mixed with water. Then the water is dried away. Now we can write on it! Do you like to draw on paper?
Early Reader · Change the reading level on the article