Are the statement of the flat earth society an example of science or pseudoscience

Orange juice has a lower or higher viscosity than chocolate syrup

If steel is more dense that lake water, why can a boat float

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.