11) We are past the year 1990:

A.) Observation

B.) Inference

What makes the best insulator against the flow of electricity?

What describes an atom when the number of electrons is less than the numbers of protons

The pressure in an automobile tire is 198 kpa at 300.0 k. at the end of a trip on a hot, sunny day, the pressure has risen to 225 kpa. what is the final temperature of the air in the tire, assuming the volume of the tire remains constant? a. 149 k b.

Bill leaves his 60 W desk lamp on every day, including weekends, for eight hours. After one month (30 days), how much total energy has been used by the lamp? Round your answer to the nearest whole number.

What light moves from a medium

Which of the following statements is the best definition of weather? Weather is the current conditions in the atmosphere. Weather is the usual conditions in the atmosphere. Weather is the average conditions in the atmosphere.

Analyze: In the series circuit what characteristic was common throughout the experiment? What changed as you added more light bulbs?

StA A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.

In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.

The brightness of a star depends on what three factors?