A car travels 975Km in 25 hours. What is the average speed of the car? 2.5Km/m
0.025Km/h
9.0Km/h
39Km/h

Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?

Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.