Science Quiz Bowl

What part of the geological structure of the Earth is often referred to as the boundary between the Earth's crust and the Mantle?

• Gutenberg Discontinuity

• Conrad Discontinuity

• Mohorovicic Discontinuity

• Lehmann Discontinuity

A Newton is equal to which of the following?

• kilogram-meter per second

• meter per second squared

• kilogram-meter per second squared

• kilogram per meter-second

Tags

NGSS.HS-PS2-1

For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is:

• tangent to the path of motion

• equal to zero

• directed radially outward

• directed radially inward

A pendulum which is suspended from the ceiling of a railroad car is observed to hang at an angle of 10 degrees to the right of vertical.

Which of the following answers could explain this phenomena?

• The railroad car is at rest.

• The railroad car is accelerating to the left.

• The railroad car is moving with constant velocity to the right.

• The railroad car is accelerating to the right.

Tags

NGSS.HS-PS2-1

A toy train moves in a circle of 8 meters radius with a speed of 4 meters per second.

What is the magnitude of the acceleration of the train?

• 2 METERS PER SECOND SQUARED

• 4 METERS PER SECOND SQUARED

• 6 METERS PER SECOND SQUARED

• 1.25 METERS PER SECOND SQUARED

Tags

NGSS.HS-PS2-1

Which of the following describes the movement of water across a selectively permeable membrane from a region of lower solute concentration to higher solute concentration?

• Diffusion

• Osmosis

• Endocytosis

• Exocytosis

What is the diploid number of human chromosomes?

• 46

• 47

• 48

• 45

What are the four most abundant elements in living organisms?

• C, H, O, N

• C, H, O, P

• N, H, C, O

• C, O, H

What do you call the term used to describe the “death of the cell”

• OSMOSIS

• APEPTOSIS

• APOPTOSIS

• EPOPTOSIS

What is the scientific name for the pea plants that Gregor Mendel used in his experimentation?

• Phaseolus vulgaris

• Pisum sativum

• Prunus amygdalus

• Carya illinoensis