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Science Reading Skills - Practice #2 (Grade 4)

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Science Reading Skills - Practice #2

Instructions: An important part of science is doing research. Before scientists begin to design and conduct experiments, they research background information on the topic. Knowing how to identify and analyze key information from articles is a skill all scientists must develop. Practice your scientific reading skills by answering the following questions.

1. 
Is it a fact or an opinion?

A camel is a mammal.
  1. Fact
  2. Opinion
2. 
Kumiko wants to know what the word igneous means. If she has a reference book about rocks, where would be the best place for her to look?
  1. Table of Contents
  2. Glossary
  3. Index
  4. Preface
3. 
The sun is a powerful force. It enables plants to grow. Plants need sunshine. The sun empowers people to grow plants for food. It also enables people to live on the earth. If there were no sun, the earth would be too cold. It would also be dark. We need the sun to live. Many people enjoy the sun. It is nice to be outside on a sunny day. The sun's rays are strong. We must be safe in the sun. Scientists encourage us to wear sunscreen.

Which choice best describes how the passage is organized?
  1. proposition and support
  2. sequential order
  3. cause and effect
  4. persuasive organization
4. 
Blood is a miracle liquid. It flows to every part of the body. Some blood cells carry food and oxygen to body organs. Other blood cells kill germs and help stop cuts from bleeding. People can die if they lose a lot of blood or if their blood cells get sick. Doctors sometimes give people fresh blood to save their lives.

What is the main idea of the passage?
  1. how many blood cells are made by the body
  2. how important blood is
  3. why people can die from loss of blood
  4. why sick people are sometimes given blood
5. 
Benjamin Franklin invented many things that made life easier in the late 1700's. He invented the lightning rod that saved many homes from fires. He also invented the Franklin stove. The stove could heat a room better than a fireplace and saved people a lot of fuel. He also invented a special kind of glasses called bifocals. This new kind of glasses helped people to read better.

What is the main idea of this paragraph?
  1. Benjamin Franklin thought reading was important.
  2. Benjamin Franklin was a great inventor.
  3. Benjamin Franklin was not afraid of fire.
  4. A Franklin stove can heat a whole room.
  5. Benjamin Franklin believed stoves were better than fires.
6. 
Once upon a time, dogs used to bury their bones to help keep them safe from other animals. Even though most dogs have plenty of food to eat today, their instincts still tell them to bury their bones and favorite toys.

Based on the passage above, why do dogs today still hide their bones and toys?
  1. They think it is a fun game.
  2. They like to save a snack for later.
  3. They enjoy digging them up.
  4. They want to hide them from other dogs.
7. 
Read the paragraph below.

Goosebumps happen when your body gets cold or when you have a strong feeling, such as fear. Nerves carry a signal to tiny muscles in the skin. The muscles tighten. The muscles make the hair on the body stand up.

Which of the following sentences would be the best conclusion to the paragraph?
  1. Sometimes I get scared at night and get goosebumps.
  2. This causes the little bumps known as goosebumps.
  3. Science fiction books can be scary, too.
  4. If you have big muscles, you will get goosebumps more often.
8. 
Some animals have favorite foods. Sometimes they will even travel far distances to get them. African elephants will ignore nearby food and travel up a mountain for a certain berry.

What is the author's purpose?
  1. persuade
  2. inform
  3. entertain
9. 
Which animal is about three feet long, has a twelve inch tail, and black and white fur? The Tasmanian devil is a marsupial that gives live birth to its babies. The baby is placed in a pouch to grow up. It takes about fifteen to sixteen weeks for the baby to get enough of its mother's milk to be able to leave the pouch.

Why can't the Tasmanian devil leave the pouch too early?
  1. It needs to be protected by its mother.
  2. A cord connects the Tasmanian devil to its mother.
  3. There is a strong bond between the mom and the young Tasmanian devil.
  4. It needs its mother's milk.
10. 
Did you know that it does not actually snow a lot in the tundra? The ice and snow that you see is called permafrost. It is a layer of frozen soil, which has been covered with all the snow and water that has fallen. In the summer, when temperatures get a little warmer, a lot of the ice and snow melts and forms marshes and lakes. Those lakes and marshes refreeze in the winter as temperatures get colder.

Two pictures would really help the reader visualize the tundra. What two pictures should be included with this passage?



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