You recently found out that the exact spot in which the head forms in a developing fish at gastrulation. You scooped out that area of the embryo and one on the opposite side of the embryo and did an RNA sequencing run on both tissues. After analyzing your data you have seen that there is a large increase in b-catenin where the head is formed compared to the opposite side.  Design an experiment in which you determine if b-catenin is REQUIRED for head formation.

Convert `X`F to Kelvin

 A certain ocean wave has a frequency of 0.05 Hz and a wavelength of 10 m. What is the wave’s speed? (Answer in m/s)

The number of waves that pass a fixed point in a given amount of time is called:

 A set of pulleys lifts an 800 N crate 4 meters in 7 seconds. What power was used? (Answer in Watts)

Water freezes at 0C

A wave is a longitudinal wave that occurs in earthquakes

A child pulls a sled up a snow-covered hill. The child does 405 J of work on the sled. If the child walks 15 m up the hill, how large of a force must the child exert? (Answer in Newtons)

A wave starts with a distrubance in matter.

The parts of a longitudinal wave where particles of the medium are closest together are called .