
MOY 2024 Review 7.8BCA, 7.9ABC
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of kinetic energy?
Back
Kinetic energy is the energy an object possesses due to its motion. It depends on the mass and speed of the object.
2.
FLASHCARD QUESTION
Front
How does temperature affect the kinetic energy of molecules?
Back
As temperature increases, the average kinetic energy of the molecules increases, and as temperature decreases, the average kinetic energy decreases.
3.
FLASHCARD QUESTION
Front
What is energy transfer by radiation?
Back
Energy transfer by radiation occurs when heat is transferred through electromagnetic waves, such as when you feel warmth from the sun or a hot stove.
4.
FLASHCARD QUESTION
Front
What distinguishes planets from dwarf planets?
Back
Planets are larger and can clear their orbital paths of other debris, while dwarf planets are smaller and share their orbital paths with other objects of similar size.
5.
FLASHCARD QUESTION
Front
What is conduction?
Back
Conduction is the process of heat transfer through direct contact between materials, where faster-moving molecules transfer energy to slower-moving ones.
6.
FLASHCARD QUESTION
Front
What is convection?
Back
Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.
7.
FLASHCARD QUESTION
Front
What is the role of water in supporting life?
Back
Water is essential for life as it is a solvent for biochemical reactions, helps regulate temperature, and is necessary for cellular processes.
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