Do penguins have knees and what shape is the sky?

Photoelectric effect definition

Whats the pareto principle of mechanical engineering?

Why are some appliances called vampires

Sam drives 8 miles west to the store in 10 min. Then he drives 5 miles west to the bank in 6 min. Finally he drives 2 miles east to school in 3 min. What was Sam's total distance traveled? (Give #, no unit)

6 reasons to believe or disbelieve in Bigfoot. For Science

Which of the following scientists did not support the wave motion of light? A. Fresnel B. Maxwell C. Newton D. Arago

Explain the work-energy theorem, including the direction energy moves and how it relates to positive and negative work

The passing of heat through a material while the material itself stays in place. A. radiation B. conduction C. convection

What would result from under-coverage? A. a lack of accurate result B. an incorrect independent variable C. an experiment D. accurate result

What can be said about the force of gravity acting on an object that is floating stationary underwater and not moving up or down? A. The buoyant force equals the force of gravity, so there is no net force. B.