A friend believes that the continents are so huge that there is no way the continents could have ever moved. Prompt: What scientific evidence would you use to prove that your friend is wrong about the continents?

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.