What is a quadvant?

Why do you need to record your observation when performing an experiment? Why are some objects more dense than other objects? Is easier to float in sea water than in fresh water? What will change if a force pushes an object in the same direction as the object's motion? What electrical unit was named in Watt's honor? Can you get power from solar power even when there is a blackout? Difference between level switch low low and level switch low? Method of reasoning that uses three related statements? What are some harmful and helpful bacteria? What is a refrigerator? How much centimeter is 124.6 millimeter? What is a test of hypothesis called? Why is luigi galvani famous? How would one convert 36yd to centimeters? Explain why the leaf epidermis is transparent? What are the characteristics of contact glue? What is a multi -radial wheel? Is there a home remedy to remove static from dry clothes other than using static guard? Could a power washer stored in a garage below 40 degrees for two years cause the power washer not to work or be as strong? Which object in the universe can make its own light energy?