Semester 1 Exam Review Part 3 Answers

Which word does not belong?

An escritora is someone who has a marvelous gift with _____.

The opposite of "polite" is _____.

True/False: A cocodrilo is a "snake."

How do you say útil in English?

What causes the air above a pot of boiling water to become warm?

Two examples of energy transformations are shown.

Dimas reads that it takes 270 N to lift a firefighter’s equipment. If a firefighter does 5400 J of work carrying the equipment up a staircase, how high does the firefighter climb? (Work: W = Fd)

Which indicates that thermal energy is no longer being transferred from boiling water to a mug?

Which is equal to a temperature of 20°C?

Which of these actions would increase heat transfer between two objects?

Which condition must be met for conduction to occur?

Which shows the formula for converting from kelvins to degrees Celsius?

Which shows the temperatures of three substances, in order, from greatest to least?

Allison drew a diagram to illustrate radiation.

How much time is needed for a 15,000 W engine to do 1,800,000 J of work? (Power: P = W/t)

At which temperature does water have particles with a greater average kinetic energy than water with a temperature of 30°C?

Which of these prevents conduction from occurring?

Cindy pours cool milk into a hot bowl of oatmeal and then stirs it with a room-temperature spoon. Which substance will have heat flow from it to the other substances?

This table shows four examples of experiments.