Lesson 3 Energy

According to the law of conservation of energy, energy cannot be created nor destroyed, only __________.

transformed

What are the four macroscopic forms of energy?

light, sound, thermal, mechanical

Which of the following are examples of microscopic levels of energy?

Gravitations, magnetic, electrical

Kinetic is the energy of motion which is determined by the object’s _______ and _______?

mass and velocity

Potential energy is stored energy due to ________ or ________.

position or arrangement

Newton’s cradle models energy transformation from potential to kinetic as ______ and _______ act upon the cradle.

gravity and friction

Which of the following is the correct energy transformation for an oven?

electrical - thermal - light

Which of the following is the correct energy transformation of eating an apple, starting with the sun?

light - chemical - mechanical - thermal

Thermal energy is the amount of kinetic energy within a substance, the transfer of the thermal energy is called?

Heat

The role of electromagnetic forces during collisions between objects is best described as which of the following?

They interact between surfaces of objects

Which of the following physical scenarios is driven by a fundamental non-contact force?

An iron paperclip accelerating towards a magnet

During photosynthesis, light energy is transformed into chemical energy through chloroplast organelle into

ATP

Biological processes within animal/human life turns chemical energy into usable energy through the process of?

Metabolism

The critical process inside cellular mitochondria wherein energy is released as ATP for cellular energy use is called?

Cellular respiration

Nonbiological systems, such as engines, transform stored chemical energy into usable forms of energy though which process?

Combustion