Magnets Pre-Test

Copyright © 2006 National Geographic Society 

Reading Expeditions: Language, Literacy & Vocabulary 

Name 

Magnets Pre-Test 

1. Look at the picture of the magnet. Label the poles. 

2. Where is the magnet’s pull the strongest? How can you tell? 

Write the letter of the correct definition next to each word. 

_____ 3. pole a. the pulling or pushing force of a magnet 

_____ 4. magnetic field b. the area of a magnet where its magnetic field is 

the strongest 

_____ 5. attract c. to push away 

_____ 6. magnetism d. to pull toward 

_____ 7. repel e. the space around a magnet in which the magnet can 

attract objects 

Circle the letter of the correct answer. 

8. Which of these items is NOT attracted to a magnet? 

a. key b. nail c. knife d. paper 

9. Which sentence is true? 

a. A large magnet has a small magnetic field. 

b. All magnets are the same shape. 

c. All magnets have a magnetic field. 

d. Magnets have only a north pole. 

10. In what way is Earth’s magnetic field important to living things? 

a. It may guide animals as they travel long distances. 

b. It attracts people to the North Pole. 

c. It attracts people to the South Pole. 

d. It attracts animals to each other. 

Magnets 

ASSESSMENT Pre-Test 

Use with Magnets • LEARNING MASTERS 79


BUILD BACKGROUND 

Magnetism Chart 

Predict whether or not each item is attracted to a magnet. Put a 

checkmark in the correct column. The first one has been done for 

you. After you finish the chart, answer the questions. 

1. penny 

2. rubber ball 

3. nail 

4. paper 

5. chalk 

6. key 

Name 

Does It Have Magnetism? 

Object Attracted to Magnets 

7. Test which items in the chart are attracted to magnets. What do 

these objects have in common? 

8. Name one object that is not attracted to magnets and explain why. 

9. Name one object that is attracted to magnets and explain why. 

80 LEARNING MASTERS • Use with Magnets, pages 4–5 


✓ 

Not Attracted 

to Magnets 

Copyright © 2006 National Geographic Society



Name 


Look at the picture. 

• Read the sentences about the picture. 

• Fill in each blank with a Key Concept Word. 

1. The space around a magnet in which the magnet can attract objects 

is called the . 

2. A force pulls or pushes other metal objects toward or away from the 

magnet. This force is called . 

3. At each end of the magnet is a . The force is 

strongest at these spots. 

4. A magnet can an object. This means it pulls 

the object toward it. 

5. A magnet can also an object. This means it 

pushes the object away from it. 


BUILD BACKGROUND 

Write your own sentence about the picture. Use at least one Key 

Concept Word. Be sure the sentence gives clues to the word’s meaning. 

KEY CONCEPT WORDS 

attract 

magnetic field 

magnetism 

pole 

repel 

Use with Magnets, pages 4–5 • LEARNING MASTERS 81


UNDERSTAND THE BIG IDEA 

Study Guide 

Name 

Pages 6–7 

Read Questions You Will Explore on page 6 of Magnets. Write what 

you already know about each question. 

Pages 8–11 

Read about magnets, magnetic fields, and poles on pages 8–11 of 

Magnets. Write two important facts about each. 



Questions What I Already Know About This 

1. How do magnets work? 

2. What is a magnetic field? 

Magnets 1. 

2. 

Magnetic fields 1. 

2. 

Poles 1. 

2. 




Name 

Study Guide 

Pages 12–13 

Read about different magnets on pages 12–13 of Magnets. Draw a 

picture of something you might use a strong magnet to attract. Draw a 

picture of something you might use a weak magnet to attract. Then 

write a sentence about each of your pictures. 

Strong Magnet Weak Magnet 

Pages 14–15 

Read about Earth and its magnetism on pages 14–15 of Magnets. 

Then read the statements below. 

Circle T if the statement is true. Circle F it is false. 

1. There are large magnets in junkyards. T F 

2. Earth is a magnet. T F 

3. Earth has a north pole but no south pole. T F 

4. Earth’s magnetism can be felt by many animals. T F 

5. Earth’s magnetism affects only people. T F 

Stop and Think! How are all magnets alike? 


UNDERSTAND THE BIG IDEA 



TAKE A CLOSER LOOK 

Study Guide 

Pages 16–17 

Read pages 16–17 of Magnets. Answer the questions. 

1. Look at the title of this section. What animals will you read about? 

2. What question do you have about this section of the book? 

3. How does Earth’s magnetic field help loggerhead turtles? 

Pages 18–19 

Read pages 18–19 of Magnets. Number the events of a loggerhead 

turtle’s life in the correct order. The first event is done for you. 

_____ The eggs hatch. 

_____ The turtles start to swim. 

_____ 1 

A loggerhead turtle lays eggs. 

_____ The turtles race to the ocean. 

Name 






Name 

Study Guide 


TAKE A CLOSER LOOK 

Practice the Comprehension Strategy: Making Inferences 

Read about the turtles’ journey and how scientists are studying them 

on pages 20–23 of Magnets. For each statement below, write an 

inference you can make. 

Page What I Read What I Infer 

20 A loggerhead’s journey begins in the 

ocean near Florida. 

21 The turtle swims for months across 

the ocean. 

22 Food is harder to find. 

23 But some scientists believe that 

loggerheads use Earth’s magnetic field 

to find their way. 

Loggerheads are very strong 

swimmers. 

Stop and Think! How is magnetism important to loggerhead sea turtles? 



MAKE CONNECTIONS 

Summarize Key Concepts 

Think about what you have learned about magnets. Read each 

fact below. Go back through the book and write the page number 

where the fact first appears. Then write two details about each 

fact. Use words from the Word Box for some of your details. 

1. Fact: All magnets have a magnetic field. Page: 

Detail: 

Detail: 

2. Fact: Magnets have a north pole and a south pole. Page: 

Detail: 

Detail: 

3. Fact: Some magnets have a stronger magnetic field than other magnets. 

Page: 

Detail: 

Detail: 

4. Fact: Earth is a large magnet. Page: 

Detail: 

Detail: 

Name 



WORD BOX 

attract 

magnetic field 

magnetism 

pole 

repel 




Name 

Study Guide 


MAKE CONNECTIONS 

Practice the Comprehension Strategy: Making Inferences 

Read pages 26–29 of Magnets. In the chart below, write statements you 

find from which you can make inferences. Write the statements and the 

inferences you make. 

Page What I Read What I Infer 

26 

27 

28 

29 



ZOOM IN ON WORDS 

Synonyms 

Write a word from the box that is a synonym of each word in 

bold print. 

1. The strong magnetic field shows the turtle the correct path 

to take. 

2. The turtle uses Earth’s magnetic field to guide its journey. 

3. Magnetism is the pulling force of a magnet. 

4. A magnet can attract or repel an object. 

Multiple-Meaning Words 

Write two sentences that include each of the multiple-meaning words 

below. Each sentence should use a different meaning of the word. 

5. guide 

6. object 

Name 



WORD BOX 

item 

lead 

mighty 

power 




Name 

Magnet Table 


Use the table to find which objects are attracted to a magnet. 

• In the first column, write the name of the object you test with 

your magnet. 

• Place a checkmark in the correct column to show whether the 

object was attracted to the magnet or not. 

• Test at least 10 objects. 

RESEARCH AND WRITE 

Object Tested Yes No 

Use with Magnets, page 32 • LEARNING MASTERS 89


RESEARCH AND WRITE 

Writing Frame 

Name 

You have researched materials that are attracted to magnets. Use this 

writing frame to write about what you learned. 

Title: 

When you revise, ask: 

• Is my information clear? 

• Can I make my sentences more 

interesting? 

90 LEARNING MASTERS • Use with Magnets, page 32 


I tested different objects to see if they were attracted to a magnet. 

(number) 

The objects were: 

and . Out of the I tested, 

(item) 

(number) 

(which were attracted) 

(names of items) 

(names of items) 

, and were 


attracted to the magnet. The others were not. All the objects that were attracted 

to the magnet had in them. This shows that 

(what object is made of) 

magnets attract objects made of . 

(what object is made of) 

Revising and Editing Checklist 


When you edit, ask: 

• Did I spell words correctly? 

• Do the subjects and verbs agree? 




Name 

Magnets Post-Test 

1. Look at the picture of the magnet. Label the poles. 

2. Explain what attract and repel mean when you tell about magnets. 

3. Tell how loggerhead turtles use magnetic fields. 

Circle the letter of the correct answer. 

4. Which sentence is true? 

a. All magnets have a magnetic field. 

b. Magnets have only a north pole. 

c. A large magnet has a small magnetic field. 

d. All magnets are the same shape. 

5. Which of these does a magnet attract? 

a. plastic b. glass c. rubber d. steel 

6. What does a maglev train NOT have? 

a. a track b. train cars c. an engine d. passengers 

Complete each sentence by filling in the blank. 

7. Two of the same poles , or push away, each other. 

8. The field is strongest at a magnet’s poles. 

9. Earth is a large . 

10. All magnets have two . 


ASSESSMENT Post-Test 



FAMILY FOCUS 

Dear Family, 

Your child has been reading the book Magnets. Use 

the information on this page to talk with your child 

about magnets, magnetic fields, and magnetism. 

Thank you. 

Key Ideas 

Your child has discussed these important ideas while 

reading Magnets. 

• All magnets have a magnetic field. 

• Magnets have a north pole and south pole. 

• Some magnets have a stronger magnetic field than 

other magnets. 

• Earth is a large magnet. 

92 LEARNING MASTERS • Use with Magnets 


Name 

Share and Learn 

WORDS TO KNOW 

attract to pull toward 

magnetic field the 

space around a magnet 

in which the magnet 

can attract objects 

magnetism the pulling 

or pushing force of a 

magnet 

pole the area of a 

magnet where its 

magnetic field is the 

strongest 

repel to push away 

Take a walk through your home 

with your child. Use a magnet to test for 

objects the magnet attracts. Write names of the 

objects in the chart below. Keep the chart and 

add to it as you continue to test more 

objects during the week. 

Name of Object Did Magnet Attract Object? 




Name 

Estimada familia, 

Su escolar está leyendo el libro Magnets (Los 

imanes). Favor de usar esta página para hablar 

con su escolar sobre los imanes, los campos 

magnéticos y el magnetismo. 

Gracias. 

Ideas clave 

Al leer Magnets su escolar estudió estas ideas 

importantes. 

• Todos los imanes tienen campo magnético. 

• Los imanes tienen un polo norte y un polo sur. 

• Algunos imanes tienen un campo magnético más 

fuerte que otros. 

• La Tierra es un imán grande. 


Compartir y aprender 

ENFOQUE EN LA FAMILIA 

Ande por la casa con su 

escolar. Usen un imán para buscar 

objetos que el imán atraiga y repela. Escriba 

sus nombres en la tabla. Guarde la tabla y 

añade nombres de otros objetos 

durante la semana. 

VOCABULARIO 

atraer (attract) jalar 

campo magnético 

(magnetic field) espacio 

alrededor de un imán 

en donde el imán 

puede atraer objetos 

magnetismo 

(magnetism) fuerza 

de un imán que jala 

o empuja 

polo (pole) área de un 

imán donde el campo 

magnético es más fuerte 

repeler (repel) alejar 

Nombre del objeto ¿El imán lo atrajo?

Magnets Pre-Test

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?