Cause/Effect
Some kinds of bats eat many insects. Some bats can eat up to 600 mosquitos in one hour. Bats are helpful to the environment. They help us by eating insects. Without bats, we would have too many insects.
What is the main idea of the passage?
Bats eat many insects.
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Thunderstorms are dangerous. Every thunderstorm contains lightning, and lightning kills more people each year than tornadoes or hurricanes! Do you know what to do to remain safe during a thunderstorm? First, go inside a sturdy building or a vehicle and close the windows. Furthermore, the National Weather Service recommends that you stay inside for at least thirty minutes after the last rumble of thunder is heard. Do not use telephones or electrical equipment. Avoid taking showers or baths. If you are unable to get safely inside a building, avoid taking cover beneath tall, isolated trees. Also avoid water, high ground, and metal objects. Knowing what to do (and what not to d) during a thunderstorm could save your life.
What is the main idea of the passage?
What you should do to remain safe during a thunderstorm.
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The life of a pioneer child was different than your life is today. Pioneer families had to work together to survive. Everyone in a family had a job to do. Even young children were put to work. What did pioneer children do? They helped by walking to a nearby stream and gathering water. Then, they would carry the heavy buckets of water back to cabin. They also milked the cows and churned cream into butter. As they grew older, their chores became more difficult. Older boys chopped wood. They also helped their fathers in the fields. Older girls tended the garden. They also helped their mothers cook and sew. The life of a pioneer child was not easy.
What was the main idea of the passage?
The life of a pioneer child was not easy.
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There are many ways you can protect your teeth from cavities. When cavities form they give bacteria a place to hide while forming a clear coating on your teeth called, plaque. A build up of plaque can burn holes in your teeth, so it is important to prevent the plaque from forming. Using fluoride toothpaste is a good way to prevent cavities. Fluoride is a chemical that can that hardens your tooth enamel and makes it harder for acids to burn through your teeth. Some water bottling companies add fluoride to their water, so drinking water with fluoride in it will also help. Another way you could prevent cavities is to avoid sugary foods, and chew sugar-free gum. Bacteria loves sugar, and when you eat lots of sugar they eat, too! There are many ways to prevent cavities, but the best way is to brush for two minutes, at least two times a day, using fluoride toothpaste and a toothbrush. By doing this, you are making sure that you still have your teeth when you are older. It will give you something to smile about!
What is the main idea of the passage?
There are many ways you can protect your teeth from cavities.
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Polar bears live in a snowy white world, but their fur isn't actually white. They have long outer hairs, which protect their soft, thick undercoat. These hairs are hollow and clear. The thinner hairs of their undercoat are also colorless. Polar bear hair looks white because they have air spaces in their hairs that scatter light of all colors. When we see the reflection of the light waves, we see the color white. Did you know that polar bears were once a close reflective to the brown bear? Scientists think that, over time, polar bears moved to the Arctic, where they adapted to their surrounding by developing fur that would help them blend in with the harsh, white Arctic ice. Not all polar bears look white, though. If you've ever seen a polar bear in a zoo, you may have noticed that its fur can appear almost green. Scientists discovered that algae from the pond waters in the bears' enclosures made the bears turn green. They learned these algae were found not on the surface of the hairs buts inside the hollow hairs!
What is the main idea of the passage, and 2 supporting details?
MI: Polar bears live in a snowy white world, but their fur isn't actually white.
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