midterm exam
Flashcard
•
Science
•
8th Grade
•
Hard
+14
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is acceleration?
Back
Acceleration is the rate of change of velocity of an object. It is a vector quantity, meaning it has both magnitude and direction.
Tags
NGSS.MS-PS2-2
2.
FLASHCARD QUESTION
Front
How do you calculate net force?
Back
Net force is calculated by summing all the forces acting on an object. If forces are in the same direction, you add them; if they are in opposite directions, you subtract.
Tags
NGSS.MS-PS2-2
3.
FLASHCARD QUESTION
Front
What does it mean for forces to be balanced?
Back
Balanced forces occur when two or more forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.
Tags
NGSS.3-PS2-1
4.
FLASHCARD QUESTION
Front
What is the total number of atoms in a chemical formula?
Back
Tags
NGSS.MS-PS1-1
5.
FLASHCARD QUESTION
Front
How many atoms of Magnesium are in 10MgCl2?
Back
There are 10 atoms of Magnesium in 10MgCl2 because the coefficient (10) indicates the number of Mg atoms.
Tags
NGSS.MS-PS1-1
6.
FLASHCARD QUESTION
Front
What is the formula for calculating force?
Back
Tags
NGSS.MS-PS2-2
7.
FLASHCARD QUESTION
Front
What is the difference between mass and weight?
Back
Mass is the amount of matter in an object, measured in kilograms, while weight is the force exerted by gravity on that mass, measured in newtons.
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