IB SEHS Review

What happens to the centre of mass when the basketball player prepares to shoot, moving from position A to position B?

• Does not move

• Moves upwards

• Moves downwards

• . Moves forwards

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Diagram A, shows a gymnast balanced on a beam. In Diagram B, she is about to fall. Explain how a fall can be avoided by moving the body and therefore the center of mass

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The diagram shows the operation of a lever when rising up on the toes. What part of the lever is labelled X?

• Fulcrum

• Effort

• Load

• Resistance

What movement is shown in this diagram?

• Adduction

• Extension

• Abduction

• Flexion

Explain the concept of angular momentum when a figure skater spins on ice.

What typically results from high and prolonged training loads?

• An increase in cortisol levels

• A decrease in insulin levels

• An increase in glucagon levels

• A decrease in circulating hormone levels

Tags

NGSS.HS-LS1-3

Which are potential effects of intense training which impact the immune system for an elite athlete?

• I and II only

• I and III only

• II and III only

• I, II and III

Tags

NGSS.HS-LS1-3

Per 1 glucose molecule, aerobic respiration yields how many total ATP?

• 32

• 38

• 4

• 34

Tags

NGSS.HS-LS1-7

What is the primary energy system used during a 100-meter sprint?

• ATP-PC system

• Lactic acid system

• Aerobic system

• Glycolytic system

Which hormone is primarily responsible for regulating metabolism and energy balance?

• Insulin

• Glucagon

• Thyroxine

• Adrenaline

Tags

NGSS.HS-LS2-5