Melody is riding her mountain bike along a trail with multiple hills. At the bottom of the second hill, she has 3200 J of kinetic energy. At the top of the third hill, when she is going the slowest, her potential energy measures 1650 J. Which statement below is true? A. The total amount of energy at the bottom of the hill cannot equal the amount at the top, because some of the energy from the environment is gained. B. The total amount of energy at the top is equal to the amount at the bottowm, but she gained some energy as she traveled due to a higher speed going down the first two hills. C. The total amount of energy at the bottom of the hill cannot be equal to the amount at the top, because some of the energy is lost.

The psychologist who worked with Peter and helped him associate rabbits with positive things was: a. Mary Covert-Jones
b. Ivan Pavlov
c. Elizabeth Loftus
d. John Watson

Knowing the formula for water and table salt is an example of:_________________memory.
a. episodic
b. procedural
c. semantic
d. echoic

The part of the brain that appears to be involved in the processing of short-term memories into long term is the:
a. hypothalamus
b. hippocampus
c. corpus callosum
d. cerebrum

When a squid pushes against the water, the squid moves forward because the ______________ pushes against the _______________.​

On the Celsius scale, one degree indicates the same temperature change as A. one degree Fahrenheit.
B. 5/9 degree Fahrenheit.
C. one kelvin.
D. 9/5 kelvin.

1. On which date does the Antarctic Circle have 24 hours of daylight? A. June 21B. March 21
C. September 21
D. December 21

2. When energy is transferred to air, what happens to the particles of air? A. They move slower.
B. They move faster.
C. They cool down.
D. none of the above

Which wave top or bottom has the larger frequency

List 3 pieces of evidence for the Earth’s spherical shape