Amplify Magnetic Fields Pre-Assessment
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
+4
Standards-aligned
Deneya Wilson
Used 716+ times
FREE Resource
About this resource
This quiz focuses on magnetic fields and magnetic forces as the main topic, with specific emphasis on the subtopics of magnetic interactions, potential energy in magnetic systems, and energy transformations. Designed for 8th grade students, the assessment requires understanding of fundamental magnetic principles including attraction and repulsion between magnets, the concept that magnetic forces act at a distance without direct contact, and the relationship between magnetic field line diagrams and magnetic behavior. Students must demonstrate comprehension of potential energy changes when magnets move within a magnetic field system, recognizing that potential energy increases when objects move against a force and decreases when moving with the force. The quiz also tests understanding of kinetic energy and its direct relationship to speed, as well as the conservation of energy principle showing how potential energy converts to kinetic energy and vice versa in magnetic systems. To succeed, students need strong conceptual understanding of energy types, force directions, and the ability to analyze magnetic field interactions through visual diagrams. Created by Deneya Wilson, a Science teacher in US who teaches grade 8. This pre-assessment serves multiple instructional purposes in the magnetic fields unit, providing teachers with essential data about student understanding before formal instruction begins. The quiz effectively identifies misconceptions about magnetic forces acting at a distance, helping teachers address the common belief that objects must touch to exert forces on each other. Use this assessment as a diagnostic tool during unit planning, as a warm-up activity to generate discussion about magnetic phenomena, or as a baseline measurement to track student growth throughout the unit. The systematic questioning about potential energy changes makes it valuable for formative assessment, allowing teachers to differentiate instruction based on student responses. This quiz aligns with NGSS standard 5-PS2-1 regarding forces and motion interactions, and MS-PS3-2 focusing on potential energy in systems, while supporting the crosscutting concept of energy and matter transfers within magnetic field systems.
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ramon puts two magnetic toy trains very close to each other on a track. What will happen next, and why?
The trains will move closer to each other because the magnetic force will pull the trains together.
The trains will not move because the magnets are not touching.
The trains will move away from each other because the magnetic force will push the trains apart.
The trains will move away from each other because the magnets are not touching.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a computer simulation, Jeffrey moves a magnet (Magnet 2) toward another magnet (Magnet 1) that cannot move. What happens to the potential energy in the system of magnets?
The potential energy does not change because the magnets in the system do not change.
The potential energy increases because Magnet 2 moves against the magnetic force.
The potential energy decreases because Magnet 2 moves against the magnetic force.
The potential energy decreases because Magnet 2 moves in the same direction as the magnetic force.
Tags
NGSS.MS-PS3-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cherise sets identical magnetic carts on two tracks. At the end of each track is a blue magnet that cannot move. Cherise can move the carts one space to the left or one space to the right. Which movement will result in the largest increase in potential energy?
Moving the cart on Track 1 one space to the right (?).
Moving the cart on Track 2 one space to the left (?).
Moving the cart on Track 2 one space to the right (?).
All these movements will result in the same change in potential energy because they each move a cart the same distance.
Tags
NGSS.MS-PS3-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Based on the magnetic field line diagrams, what will happen next with these two sets of magnets?
The magnets in Set 1 will repel, and the magnets in Set 2 will attract.
The magnets in Set 1 will attract, and the magnets in Set 2 will repel.
The magnets in Set 1 will not move, and the magnets in Set 2 will attract.
In both sets, the magnets will attract
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eli is holding two magnets close to each other. What will happen when he lets go?
The magnets will not move because the magnets are not touching.
The magnets will move closer to each other because the magnetic force will pull the magnets together.
The magnets will move away from each other because the magnets are not touching.
The magnets will move away from each other because the magnetic force will push the magnets apart.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Abdul moves a magnetic toy train away from a magnet that cannot move. What happens to the potential energy in the system of magnets during the movement?
The potential energy decreases because the train moves in the same direction as the magnetic force.
The potential energy decreases because the train moves against the magnetic force.
The potential energy increases because the train moves against the magnetic force.
The potential energy does not change because the magnets in the system do not change.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS3-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An engineer is investigating potential energy with two identical magnetic roller coaster cars on different sides of a center magnet that cannot move. To test her ideas, the engineer will move one car one space. Which movement will result in the largest increase in potential energy?
Moving Car 1 one space toward the center magnet.
Moving Car 2 one space away from the center magnet.
Moving Car 2 one space toward the center magnet.
All these movements will result in the same change in potential energy because they each move a roller coaster car the same distance.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS3-2
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