Force & Motion Final Flashcards
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Easy
+3
Standards-aligned
Malinda Dackiw
Used 9+ times
FREE Resource
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48 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Force
Back
An interaction between objects.
Answer explanation
The scientific definition of force is an interaction between objects that can cause a change in motion. It is not a type of energy, a measure of speed, or a form of matter, making 'an interaction between objects' the correct choice.
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
2.
FLASHCARD QUESTION
Front
Force has both magnitude and ______.
Back
direction
Answer explanation
Force is a vector quantity, meaning it has both magnitude and direction. The correct answer is 'direction', as it specifies where the force is applied, unlike the other options which do not pertain to the characteristics of force.
Tags
NGSS.MS-PS2-1
3.
FLASHCARD QUESTION
Front
Force
Back
A push or pull on an object.
Answer explanation
The correct definition of force is A) A push or pull on an object. This describes how force interacts with objects, unlike the other options which refer to unrelated properties such as speed, color, or temperature.
Tags
NGSS.MS-PS2-1
4.
FLASHCARD QUESTION
Front
Fill in the blank: When two objects interact, they can either repel or attract each other.
Back
repel
Answer explanation
When two objects interact, they can either repel or attract each other due to forces like magnetism or gravity. The correct choice is 'repel', as it directly contrasts with attraction.
Tags
NGSS.MS-PS2-4
5.
FLASHCARD QUESTION
Front
What is force?
Back
A push or a pull.
Answer explanation
Force is defined as a push or a pull acting on an object. This makes option A the correct choice, as it accurately describes the fundamental concept of force in physics.
Tags
NGSS.MS-PS2-1
6.
FLASHCARD QUESTION
Front
All forces have magnitude or strength, direction, and are measured in _______.
Back
Newtons
Answer explanation
All forces are measured in Newtons, which quantify both the strength and direction of the force. Joules measure energy, meters measure distance, and kilograms measure mass, making Newtons the correct choice.
7.
FLASHCARD QUESTION
Front
Which of the following is a type of contact force? Gravity, Magnetic force, Friction, Electric force
Back
Friction
Answer explanation
Friction is a type of contact force that occurs when two surfaces interact. Unlike gravity, magnetic, and electric forces, which can act at a distance, friction requires direct contact between objects.
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
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