8th: Second Semester Test

Quiz
•
Science
•
8th Grade
•
Medium
+13
Standards-aligned
Katie Carney
Used 2+ times
FREE Resource
75 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A girl pushes on the classroom door to open it. Which choice accurately describes the net force acting on the door?
Contact & Balanced
Noncontact & Unbalanced
Contact & Unbalanced
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two dogs pull on a rope. One dog pulls with a force of 5 N to the left, and the other dog pulls with a force of 3 N to the right. What is the result?
The rope moves to the left
The rope has a balanced force applied to it
The rope moves to the right
Tags
NGSS.MS-PS2-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A grocery cart has two forces acting on it. 12 N to the right and 4 N to the left. What is the net force on the grocery cart?
8 N left
16 N left
8 N right
Tags
NGSS.MS-PS2-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement about acceleration is always true?
Either a change in speed or a change in direction causes acceleration
Both speed and acceleration must change for acceleration to occur.
For objects to accelerate, they must speed up
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A woman is walking at a rate of 3 miles per hour. What additional information would you need to determine her velocity?
The gravitational force applied
The direction she is walking
The force of her arms swinging
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The acceleration of a baseball after it is hit by a bat depends on the mass of the ball and the net force on the ball. This example best illustrates what law?
Newton's First Law
Newton's Second Law
Newton's Third Law
Tags
NGSS.MS-PS2-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two school classes are playing tug-of-war with a rope. One class pulls on the rope with a 75 N force to the left, which the other pulls with a 40 N force to the right. Which is true?
The forces are unbalanced and the net force is 35 N to the right
The forces are unbalanced and the net force is 115 N to the left
The forces are unbalanced and the net force is 35 N to the left
Tags
NGSS.MS-PS2-2
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