Review for 3rd Quarter Exam (Review)

Who proposed that light is partly magnetic and partly electric by nature? Type the surname only.

According to the Quantum Theory, as proposed by Einstein, light is made of tiny packets of energy called:

Which correctly arranges the colors from shortest to longest wavelength?

• Yellow, Green, Blue, Violet, Red, Orange
• Violet, Blue, Green, Yellow, Orange, Red
• Green, Yellow, Blue, Red, Orange, Violet
• Red, Orange, Yellow, Green, Blue, Violet

Which color of the visible light is the most intense or has the greatest amount of energy?

What is formed when light is blocked by an opaque object?

What method of heat transfer is the reason for the circulation of hot and cold air in a room?

True or False: Objects that have higher temperature have molecules that move faster.

• True

• False

Two hot objects (metal ball and a porcelain box) are in direct contact with each other. Both the ball and the box have equal temperatures. How will you describe the flow of heat between the two?

• Heat flows from the porcelain box to the metal ball.
• Heat flows from the metal ball to the porcelain box.
• Heat does not flow between the two objects.
• The flow of heat is dependent on the color of the objects.

The image shows the movement of the particles of a certain substance. What state of matter is this?

• solid

• liquid

• gas

What method of heat transfer is involved when roofs become hot due to the heat from the Sun?

• Conduction
• Radiation
• Insulation
• Convection