IB ESS Topic 1 2026 Syllabus

What was the over all idea of the Gaia Hypothesis?

• The earth can control what happens on other planets.

• The earth is a self-regulating system.

• The earth can not regulate itself without technological intervention.

• The earth needs to be carefully monitored and regulated by humans.

Tags

NGSS.HS-ESS2-7

NGSS.HS-LS2-6

What are some of the things that influence an individuals EVS?

• The cost of fuel

• Religious beliefs

• Family influence

• What kind of house you own

Tags

NGSS.HS-LS2-7

Which of the following is NOT a component of a systems model

• Magnification

• Storage

• Transformations

• Flows

Tags

NGSS.HS-ETS1-4

Which system most closely represents real systems

• Closed system

• Isolated system

• Idealised system

• Open system

Which term means that matter or energy move around without changing?

• Transfer

• Transformation

'Resource replacement solves resource depletion' is related to which EVS?

• Ecocentrism

• Antropocentrism

• Technocentrism

• Deep ecologist

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

What is the Ecological footprint?

• Hypothetical area of land that a human uses every day

• Hypothetical area of land to support waste assimilation and food production

• The hypothetical area of land required to support each person's resource needs

• The hypothetical area of land l to support their resource needs and assimilate all waste

Tags

NGSS.HS-LS2-7

Letter A represents a(n) ___.

• output

• input

• process

• store

Tags

NGSS.HS-ETS1-4

NGSS.HS-PS3-1

___ only exchange energy with their surroundings.

• Open systems

• Closed systems

• Isolated systems

A ________________ feedback loop makes a system more stable.

• Positive

• Neutral

• Negative

• Circular

Tags

NGSS.HS-LS1-3