You do an experiment and want to determine if the chemical reaction is endothermic or exothermic. What can you measure to make that determination? A. Mass
B. Weight
C. Temperature

According to the tide table below what time of day will the highest tide occur?

What happens when light is scattered?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?