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Rabbits and hares are not the same. Rabbits live together in burrows. Their babies are born blind and without fur. Hares live alone above ground. Their babies are born with fur and are not blind. In addition, hares are usually bigger than rabbits.
A. Hares are bigger than rabbits.
B. Hares and rabbits are not the same.
C. Rabbits live together in burrows.
B. Hares and rabbits are not the same.
The ice cream cone was invented in 1904. It all started at the Saint Louis Word's fair when an ice cream vendor ran out of dishes for his ice cream. A man named Ernest Hamwi was selling waffles in the booth next door. He helped his neighbor out by making cone shaped waffles to hold the ice cream. The rest, as they say, is history!
A. The ice cream cone was invented in 1904.
B. They ran out of ice cream at the World's fair.
C. Ice cream is a yummy treat.
A. The ice cream cone was invented in 1904.
Some types of roller coasters use magnets to make them stop. Strong magnets are put into both the coaster and the end of the track. As the coaster approaches the end of the track, the attracting forces of the magnets bring it to a gentle stop.
A. Roller coasters stop at the end of the track.
B. Some kinds of roller coasters use magnets to stop them.
C. Roller coasters are fun.
B. Some kinds of roller coasters use magnets to stop them.
Julia Butterfly Hill lived in a giant Redwood tree for two years to keep it from being cut down. She climbed the tree, which was located in Northern California, on December 10, 1997. Many people helped her by bringing her food and supplies. She did not come down until the logging company promised never to cut down the tree.
A. Julia Butterfly Hill lived in a giant Redwood tree for two years to keep it from being cut down.
B. The logging company did not cut down the tree.
C. The tree was located in Northern California.
A. Julia Butterfly Hill lived in a giant Redwood tree for two years to keep it from being cut down.
School children in Washington State are raising salmon! The Department of Fish and Wildlife gives each participating classroom 500 salmon eggs. When the eggs hatch, the children care for the baby salmon and learn about their lifecycle. When the salmon are big enough, the class goes on a field trip to release the salmon into the stream or river.
A. Each class gets 500 eggs.
B. School children in Washington State are raising salmon.
C. The salmon are released into streams and rivers.
B. School children in Washington State are raising salmon.
Giant pandas are losing their habitats. Giant pandas live in bamboo forests in China. The average giant panda eats about 30 pounds of bamboo each day. Unfortunately, the forests are being cut down and the giant panda is endangered.
A. Giant pandas eat a lot of bamboo.
B. Giant pandas live in China.
C. Giant pandas are losing their habitats.
C. Giant pandas are losing their habitats.
Incense cedar wood is perfect for pencils. Unlike many other kinds of wood, it does not break easily, but is soft enough to be sharpened without splintering. It also won't bend or warp in hot temperatures. Incense cedar trees are grown in California and Oregon.
A. Incense cedar wood is perfect for making penicls.
B. Incense cedar wood trees are grown in California and Oregon.
C. Incense cedar wood will not splinter when sharpened.
A. Incense cedar wood is perfect for making penicls.
You can tell if an egg is hard-boiled by spinning it. Lay an egg on its side and try to make it spin. If it is not hard-boiled, the shifting liquid inside will make it spin poorly. If it is hard-boiled, the solid inside will make it spin faster and longer.
A. The shifting liquid inside makes it hard to spin.
B. A hard-boiled egg will spin faster and longer.
C. You can tell if an egg is hard-boiled by spinning it.
C. You can tell if an egg is hard-boiled by spinning it.
Did you know that the idea for Velcro came from nature? One day in Switzerland a man named George de Mestral decided to take his dog for a walk. When he got back to his house, he saw that there were many small burrs clinging to his dog's fur. He examined under a microscope how the burrs were sticking and ended up using what he saw to invent Velcro!
A. The idea of Velcro came from nature.
B. Burrs were clinging to the dog's fur.
C. George de Mestral invented Velcro.
A. The idea of Velcro came from nature.
The Atacama Desert is the driest place on Earth. It is locate don a plateau in northern Chile. It almost never rains int he Atacama Desert. In fact, there are some areas of the desert where rainfall has never been recorded. The average yearly rainfall in the Atacama is just one millimeter.
A. The Atacama Desert is in Northern Chile.
B. The Atacama Desert is the driest place on Earth.
C. Rainfall has never been recorded in some parts of the Atacama Desert.
B. The Atacama Desert is the driest place on Earth.
The smallest monkey in the world is the pygmy marmoset. The pygmy marmoset is only about 5 inches tall and weighs just 4 ounces. Pygmy marmosets live in the Amazon rainforest in South America.
A. A pygmy marmoset is about 5 inches tall.
B. Pygmy marmosets live in the Amazon.
C. The smallest monkey in the world is the pygmy marmoset.
C. The smallest monkey in the world is the pygmy marmoset.
Animals that live deep in a cave are called troglobites. Troglobites never leave the cave. They live in total darkness for their entire lives. Some troglobites do not even have eyes! Some troglobites include spiders, flatworms, cave fish, and blind salamanders.
A. Some troglobites do not have eyes.
B. Animals that live deep in a cave are called troglobites.
C. Blind salamanders are troglobites.
B. Animals that live deep in a cave are called troglobites.
In some countries, people eat crickets as part of their diet. Crickets are packed with protein and simple to farm. They can also be sold for extra money by those who farm them.
A. Crickets are a good source of protein.
B. Crickets are insects.
C. In some countries, people eat crickets as part of their diet.
C. In some countries, people eat crickets as part of their diet.
In Australia, cattle and sheep are raised on huge ranches called stations. A station may be so large that low-flying helicopters are used to herd the animals. You could drive for several days in one direction and never leave the station.
A. Helicopters are used to herd animals in Australia.
B. In Australia, cattle and sheep are raised on huge ranches called stations.
C. There are a lot of cattle in Australia.
B. In Australia, cattle and sheep are raised on huge ranches called stations.
Sharks have a lot of teeth. A shark may have up to 3,000 teeth at one time. Shark teeth grow in rows. When a shark loses a tooth, it is replaced by a new tooth from the row behind it. The shark may have over 20,000 teeth over the course of its life.
A. Sharks have a lot of teeth.
B. Sharks teeth grow in rows.
C. A shark may have up to 3,000 teeth.
A. Sharks have a lot of teeth.
Kangaroos spend most of their time in groups called mobs. Kangaroos communicate with each other with clicks, coughs, hisses, and growls. They also groom each other by picking dirt, insects, and dead skin from each other's fur.
A. Kangaroos live in groups called mobs.
B. Kangaroos groom each other.
C. Kangaroos are very social animals.
A. Kangaroos live in groups called mobs.
Most animals do not recognize themselves in a mirror. They think that the reflection is another animal. Some animals that do recognize themselves are elephants, dolphins, chimps, and great apes.
A. A dolphin can recognize itself in a mirror.
B. Most animals do not like to look in mirrors.
C. Most animals do not recognize themselves in a mirror.
C. Most animals do not recognize themselves in a mirror.
The lives of the Maasai people in East Africa are centered around their cattle. They depend on the cattle for their food. They sell their cattle to outsiders to pay for things that they need. They spend most of their time tending to their cows.
A. The lives of the Maasai people in East Africa are centered around their cattle.
B. The Maasai spend most of their time tending their cattle.
C. The Maasai people live in East Africa.
A. The lives of the Maasai people in East Africa are centered around their cattle.
A mother octopus takes good care of her eggs. She lays thousands of eggs in a den. Once the eggs are laid, she guards them constantly and does not leave the den. When the eggs hatch, the tiny baby octopuses float away. Then the mother dies.
A. A mother octopus takes good care of her eggs.
B. A mother octopus does not leave the den.
C. A mother octopus lays thousands of eggs.
A. A mother octopus takes good care of her eggs.
The thick, white coat of an Artic fox has two important jobs. First, it keeps the fox warm in freezing temperatures. Second, it helps the fox to blend into the snowy landscape so that it can hide from predators and sneak up on prey without being seen.
A. Artic foxes have thick coats.
B. Artic foxes blend into the snowy landscape.
C. The thick, white coat of an Artic fox has two important jobs.
C. The thick, white coat of an Artic fox has two important jobs.
Beavers make dramatic changes to the environment. When beavers build a dam across a river, they create a pond or even a lake. Land that was once dry gets covered in water. The new lake becomes home for birds, fish, and other kinds of wildlife.
A. Beaves make dramatic changes to the environment.
B. Beavers create new ponds and lakes.
C. Beavers build dams across rivers.
A. Beaves make dramatic changes to the environment.
Christopher Paolini became an author at a young age. He was just 15 years old when he wrote the first draft of the fantasy book Eragon. His parents helped him to self-publish and to promote the book in schools and libraries. Three years later, Knopf Books for Young Readers asked Christopher's family if they could publish the book. Today, Eragon is a best seller!
A. Christopher Paolini wrote Eragon.
B. Christopher Paolini became an author at a young age.
C. Eragon was published by Knopf Books for Young Readers.
B. Christopher Paolini became an author at a young age.
In many developing countries, people are using solar ovens to heat water and cook food. Solar ovens use energy from the sun. When a family uses a solar over to cook their food, they do not have to collect wood for fuel or spend money to buy fuel. Sunlight is free!
A. In many developing countries, people are using solar ovens.
B. Solar ovens use energy from the sun.
C. People who use solar ovens do not need to buy fuel.
A. In many developing countries, people are using solar ovens.
Before toothbrushes were invented, people used natural objects to clean their teeth. People cleaned their teeth with small twigs. The first toothbrushes were made from bones and bristles from boars, horsehairs, or even feathers. Today, the bristles on most toothbrushes are made from nylon.
A. People used to clean their teeth with twigs.
B. Most toothbrushes are made from nylon.
C. Before toothbrushes were invented, people used natural objects to clean their teeth.
C. Before toothbrushes were invented, people used natural objects to clean their teeth.
Sophie went to the animal shelter with her mom. They looked at big dogs and little dogs. They looked at nice dogs and grouchy dogs. After looking at all the dogs, Sophie chose the one that she wanted to adopt. "I like this brown one. He is so soft, I will name him Fluffly!" Sophie said.
A. Sophie adopted a dog.
B. There were big dogs and little dogs.
C. Sophie's new dog is named Fluffy
A. Sophie adopted a dog.