8th Grade MidTerm Review 2004

Flashcard
•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the balanced equation that represents a reaction involving 6 atoms of nitrogen?
Back
3N₂ + 2O₂ → 2N₃O₂
2.
FLASHCARD QUESTION
Front
What happens to the kinetic and potential energy of a skier increasing speed while skiing downhill?
Back
Kinetic energy increases. Potential energy decreases.
3.
FLASHCARD QUESTION
Front
What is the main reason the plants next to the window grew taller than those in the closet?
Back
The plants next to the window were able to convert more light energy into chemical energy.
4.
FLASHCARD QUESTION
Front
In which location on a roller coaster is the potential energy greater than the kinetic energy?
Back
Location X.
5.
FLASHCARD QUESTION
Front
How many different elements are in sodium bicarbonate (NaHCO₃)?
Back
4.
6.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
The energy an object possesses due to its motion.
7.
FLASHCARD QUESTION
Front
What is potential energy?
Back
The energy stored in an object due to its position or state.
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