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 38 of 86
People make flat glass for windows. Hot, melted glass floats on liquid metal. This makes the glass very smooth. It helps us see out of windows. It is a neat way to work. Can you see glass in your house?
Early Reader · Change the reading level on the articleComputers use a special tool for math. It helps with hard numbers. This tool makes math go very fast. It helps your computer work well. It is a smart helper. Can you imagine a math robot?
Early Reader · Change the reading level on the articleMuch of the land is low. The sea can flood it. People build walls to stay dry. They also use windmills to move water. This helps keep homes safe. Do you like the water?
Early Reader · Change the reading level on the articleA floor plan is a drawing. It shows a house from above. You can see the rooms. You can see the doors too. It helps us build things. It is very helpful! Can you see the rooms in the picture?
Early Reader · Change the reading level on the articleA floppy disk holds computer files. It is a thin, soft disk. It sits in a plastic case. We use it to save work. Do you see this shape on a screen? It is a tiny icon. Can you find it?
Early Reader · Change the reading level on the articleA flowchart is a special drawing. It shows how to do a job. It uses boxes and arrows. These help you see the steps. It helps you solve a problem. Can you draw one?
Early Reader · Change the reading level on the articleThese lamps make bright light. They look like long tubes. They use a special gas inside. This helps them glow. They save more power than old bulbs. This helps us save energy. Do you see these lights?
Early Reader · Change the reading level on the articleA flush toilet uses water. It cleans the bowl. Water moves waste away. It goes down a pipe. This helps keep us clean. Do you like to flush?
Early Reader · Change the reading level on the articleComputers help fly big planes. A pilot moves a small stick. The computer hears the move. Then, the computer moves the plane. This makes the plane light. It also keeps the plane safe. Do you like to fly?
Early Reader · Change the reading level on the articleStone arches help hold up big walls. They reach out from the wall. They push against a heavy stone block. This keeps the tall walls from falling. This lets in lots of light. It makes big churches look pretty. Do you…
Early Reader · Change the reading level on the articleTrains use special paths. One track goes over another. This is like a bridge. It helps trains pass. No train has to stop. It keeps things moving fast. Do you like trains?
Early Reader · Change the reading level on the articleA tool helps make cloth. It moves back and forth. It carries thread to make wide fabric. One person can use it. This makes work go fast. It is a smart tool. Do you like soft cloth?
Early Reader · Change the reading level on the articleA flying wing is a special plane. It has no tail. Everything stays inside the wing. This helps it fly well. It can even hide from radar. Do you want to fly in one?
Early Reader · Change the reading level on the articleA flywheel is a heavy wheel. It spins around and around. This wheel stores energy. It helps machines keep moving. It can help a car run well. It is very useful! Can you see it spin?
Early Reader · Change the reading level on the articleFM radio sends music to you. It travels through the air. The sound is very clear. You will not hear much noise. It helps you hear songs well. Do you like to listen to music?
Early Reader · Change the reading level on the articleFolha is a big newspaper. It tells stories from Brazil. People read it to learn news. It has been around a long time. It helps us know what is happening. Do you like to read the news?
Early Reader · Change the reading level on the articleFolorunso Alakija is a busy leader. She works in Nigeria. She helps people by giving money. She helps kids go to school. She is very good at her job. Do you want to help people too?
Early Reader · Change the reading level on the articleA font is a way to write. It can be thin or thick. It can also slant to the side. This helps you read words. It makes books look good. Do you like thick letters?
Early Reader · Change the reading level on the articleA footpath is a way to walk. It is for people only. Cars and bikes do not go here. You can find them in cities or woods. They help us see the world. Do you like to walk on paths?
Early Reader · Change the reading level on the articleForbes is a big magazine. It tells stories about money. It writes about jobs and tools. People read it to learn. It is very old. Do you like to read magazines?
Early Reader · Change the reading level on the articleThese tools help us grab small things. They work like a tiny hand. You can use them when your fingers are too big. They hold things very still. They help doctors do good work. Do you want to try using them?
Early Reader · Change the reading level on the articleThe Model T was a car. It helped many people travel. The car did not cost much. This helped families go on trips. It was a very big success. Do you like to ride in cars?
Early Reader · Change the reading level on the articleThe Mustang is a fast car. It was made by Ford. Many people like to drive it. It has been around for a long time. Do you like fast cars?
Early Reader · Change the reading level on the articleA forge is a hot fire. It makes metal very soft. A smith uses it to shape things. You can make tools with it. It is a very busy place. Do you want to see the tools?
Early Reader · Change the reading level on the articleA forklift is a big truck. It can lift heavy things. It moves them to new spots. This helps people in large stores. It makes work much easier. Have you seen one?
Early Reader · Change the reading level on the articleWe use rules to build computer programs. These rules show what a program should do. They help us make sure the work is right. This helps us build better tools. We want our tools to work well. Do you like to follow rules?
Early Reader · Change the reading level on the articleWe use math to check tools. We want to make sure they work right. This helps computers stay safe. It helps them do what they should. We can check code this way. It is a smart way to work. Do you like math?
Early Reader · Change the reading level on the articleYou can change how words look. You can make them big. You can make them dark. You can add color too. This helps you read. It is fun to use. Do you like bright colors?
Early Reader · Change the reading level on the articleA man named Forrest made candy. He made many treats we love. He made bars of chocolate. He also made food for dogs. His candy helps us feel happy. Do you like chocolate candy?
Early Reader · Change the reading level on the articleThis is a big red bridge. It goes over the water. Trains cross it to travel. It is a famous part of Scotland. We can look at it today. Do you like big bridges?
Early Reader · Change the reading level on the articleA big wall holds back a river. It is called a dam. The dam makes a huge lake. This lake helps make power for us. It also stops floods. Do you like big lakes?
Early Reader · Change the reading level on the articleComputers use special sets of rules. These rules help them do math. Scientists use them to study weather. They also use them to study stars. This helps us learn about our world. Do you like math?
Early Reader · Change the reading level on the articleFortune is a big book. It tells us about work. It talks about big companies. It helps us learn about money. It is very interesting. Do you like to read books about work?
Early Reader · Change the reading level on the articleSome big plants make power. They burn things like coal. This heat makes power for us. It helps turn on your lights. It is very useful. Do you use lights at home?
Early Reader · Change the reading level on the articleA fountain pen helps you write. It holds ink inside its body. You do not need to dip it in a jar. This makes writing easy and clean. It is a fun tool for you. Do you like to write?
Early Reader · Change the reading level on the articleSome machines use four bars. These bars make a loop. They move together in a special way. This helps machines do work. It can even help a pump move. Can you find a machine like this?
Early Reader · Change the reading level on the articleFox is a TV group. It shows shows on your screen. It started a long time ago. It helps us watch fun things. Do you like to watch TV?
Early Reader · Change the reading level on the articleFoxconn makes many things. They make phones and games. They work in many places. This helps us use new tools. It is a very big company. Do you use a phone?
Early Reader · Change the reading level on the articleFox News is a TV channel. It tells stories about news. Many people watch it on their TVs. It is a big company in New York. It has many shows to watch. Do you watch the news?
Early Reader · Change the reading level on the articlePeople use water to find fuel. They push water deep into the ground. This makes tiny cracks in the rock. Then, gas and oil can flow out. This helps us get energy for homes. Do you use gas for your car?
Early Reader · Change the reading level on the articleWe can use ice to change things. We can freeze a liquid. The ice stays separate from the rest. This makes the juice very sweet. It can even make salt water fresh. It is a cool way to work! Do you like ice?
Early Reader · Change the reading level on the articleA tall tower helps us sort liquids. It takes a mix and pulls it apart. The mix turns into gas and rises up. The gas then turns back into liquid. This helps us make things like oil. Can you find the tall tower?
Early Reader · Change the reading level on the articleFrances Arnold is a smart scientist. She helps make new things. She uses tiny parts to make fuel. This helps our world stay clean. She is a very big star in science. Do you like to learn new things?
Early Reader · Change the reading level on the articleA big company shares its ideas. Someone else uses those ideas. They open a shop with the same name. They pay money to use the name. This helps the business grow fast. Do you know a shop like this?
Early Reader · Change the reading level on the articleFrançois Coty made nice smells. He made perfume in France. He sold it to many people. His bottles were very pretty. He was a very rich man. Do you like nice smells?
Early Reader · Change the reading level on the articleThis is a big news paper. It comes from a place called Germany. It tells people what is happening. It has many stories to read. It helps us learn. Do you like to read the news?
Early Reader · Change the reading level on the articleFrank Lowy was a busy man. He built many big shops. He also helped many people. He gave money to help find cures for sickness. He worked hard to help his country. Do you like to go to big shops?
Early Reader · Change the reading level on the articleFrank Woolworth started many stores. He sold things for very low prices. You could pick out what you wanted to buy. This helped many people shop. He was a very busy man. Do you like to shop in stores?
Early Reader · Change the reading level on the article