How Magnets Solve Problems - 3rd Grade Science
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Which statement best solves the problem of making a simple direction finder outdoors?
Which statement best solves the problem of making a simple direction finder outdoors?
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Use a compass because its needle aligns with Earth’s magnetism. Compass needles are magnets that align with Earth.
Use a compass because its needle aligns with Earth’s magnetism. Compass needles are magnets that align with Earth.
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Which option best solves the problem of finding a hidden steel paper clip in rice: magnet or flashlight?
Which option best solves the problem of finding a hidden steel paper clip in rice: magnet or flashlight?
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Magnet. Steel contains iron, which magnets can detect.
Magnet. Steel contains iron, which magnets can detect.
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Which option best solves the problem of separating iron filings from sand: magnet or sieve?
Which option best solves the problem of separating iron filings from sand: magnet or sieve?
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Magnet. Magnets attract iron but not sand.
Magnet. Magnets attract iron but not sand.
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Identify the correct result when the north pole of one magnet is brought near the south pole of another.
Identify the correct result when the north pole of one magnet is brought near the south pole of another.
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They attract (pull together). Unlike poles always pull toward each other.
They attract (pull together). Unlike poles always pull toward each other.
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Identify the correct result when the north pole of one magnet is brought near the north pole of another.
Identify the correct result when the north pole of one magnet is brought near the north pole of another.
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They repel (push apart). Like poles always push away from each other.
They repel (push apart). Like poles always push away from each other.
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Which option best explains why a magnet can pick up a steel nail without touching it first?
Which option best explains why a magnet can pick up a steel nail without touching it first?
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Magnetic force acts at a distance through a magnetic field. Magnets don't need direct contact to exert force.
Magnetic force acts at a distance through a magnetic field. Magnets don't need direct contact to exert force.
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What is a real-world problem that magnets can solve when you need to pick up many paper clips?
What is a real-world problem that magnets can solve when you need to pick up many paper clips?
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Use a magnet to attract and lift the paper clips. Paper clips contain iron, which magnets attract.
Use a magnet to attract and lift the paper clips. Paper clips contain iron, which magnets attract.
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What is a real-world problem that magnets can solve when you need to hold a door closed?
What is a real-world problem that magnets can solve when you need to hold a door closed?
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A magnetic latch can keep the door shut. Magnetic attraction holds metal parts together.
A magnetic latch can keep the door shut. Magnetic attraction holds metal parts together.
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What are the two magnetic poles called on a magnet?
What are the two magnetic poles called on a magnet?
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North pole and south pole. Every magnet has these two opposite ends.
North pole and south pole. Every magnet has these two opposite ends.
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What is the magnetic field of a magnet?
What is the magnetic field of a magnet?
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The area around a magnet where magnetic forces act. Invisible forces extend beyond the magnet itself.
The area around a magnet where magnetic forces act. Invisible forces extend beyond the magnet itself.
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Which common metals are usually attracted to magnets: iron, plastic, or wood?
Which common metals are usually attracted to magnets: iron, plastic, or wood?
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Iron. Only certain metals respond to magnetic force.
Iron. Only certain metals respond to magnetic force.
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Which tool uses a magnet to show direction by lining up with Earth: compass or thermometer?
Which tool uses a magnet to show direction by lining up with Earth: compass or thermometer?
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Compass. Its magnetic needle points to Earth's magnetic north.
Compass. Its magnetic needle points to Earth's magnetic north.
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What is the definition of a magnet in basic science?
What is the definition of a magnet in basic science?
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An object that attracts some metals and can push or pull other magnets. Magnets have special properties that interact with certain materials.
An object that attracts some metals and can push or pull other magnets. Magnets have special properties that interact with certain materials.
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Which choice best describes a safety rule when using magnets near electronics: keep them close or keep them away?
Which choice best describes a safety rule when using magnets near electronics: keep them close or keep them away?
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Keep magnets away from electronics. Magnets can damage electronic devices.
Keep magnets away from electronics. Magnets can damage electronic devices.
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Which rule describes what happens when two like magnetic poles are close together?
Which rule describes what happens when two like magnetic poles are close together?
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Like poles repel. Same poles push each other away.
Like poles repel. Same poles push each other away.
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