Compare the temperature and thermal energy of hot soup in a small mug and that of hot soup in a large bowl.

What must be true for any endothermic reaction? a. The chemical bonds of the products have more energy than the chemical bonds of the reactants. b. There are more products than there are reactants. c.

How many shrimp do you have to eat before it makes your skin turn pink?

Four students want to know the most accurate way to measure the speed of a wave. The method their professor uses has a percent error of 3.68%. Each student tests a different method and writes the result in the chart below.

What holds atoms together in a molecule? A: dentity B: gravity C: physical bonds D: chemical bonds

8. A thin slice of silicon that contains many solid-state components is a (n) A) Transistor B) Intergratef circuit C) Diode D) Cathode-ray tube 9. A current of 6.0 amps passed through a motor that has a resistance of 5.0 ohms.

3 A wave that forms a stationary pattern in which portions of the wave do not move and other portions move with a large amplitude

A cork is floating in salty water. As more salt is added to the water to increase its density, the cork will

Which of the following planets has the highest surface temperature as compared to the others? Earth Jupiter Mars Venus

Steel is made of atoms of iron and carbon. Would iron and carbon form metallic bonds? Explain your answer choice.

A sprinter runs 200m west and 100 m east her displacement is