
12/6 Friday's Test- Modified
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is speed?
Back
Speed is the distance traveled per unit of time, typically measured in miles per hour (mph) or meters per second (m/s).
2.
FLASHCARD QUESTION
Front
How do you calculate speed?
Back
Speed = Distance / Time. For example, if a plane travels 450 miles in 2 hours, its speed is 450 miles / 2 hours = 225 miles per hour.
3.
FLASHCARD QUESTION
Front
What is net force?
Back
Net force is the total force acting on an object after all the individual forces are combined. It determines the object's acceleration.
4.
FLASHCARD QUESTION
Front
What is an unbalanced force?
Back
An unbalanced force occurs when the total forces acting on an object are not equal, causing the object to accelerate in the direction of the greater force.
5.
FLASHCARD QUESTION
Front
What is the unit of force?
Back
The unit of force is the Newton (N).
6.
FLASHCARD QUESTION
Front
What does it mean if the net force is 0 N?
Back
If the net force is 0 N, the forces acting on the object are balanced, and the object will remain at rest or continue moving at a constant speed.
7.
FLASHCARD QUESTION
Front
What are producers in an energy pyramid?
Back
Producers are organisms that create their own energy through photosynthesis, such as plants. They form the base of the energy pyramid.
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