In order to see the sun up close one can use a __ telescope A. Reflecting telescope
B. Solar telescope
C. A telescope with sunglasses on
D. All of the above

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

Which is true according to the law of conservation of energy

A250 g sample of water with an initial temperatureof 98.8 closes 6500 joules of heat. what is the finaltemperature of the water?