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IB ESS Topic 1 2026 Syllabus

Total questions: 33

Worksheet time: 17mins

Name
Class
Date
1.

What was the over all idea of the Gaia Hypothesis?

a)

The earth can control what happens on other planets.

b)

The earth is a self-regulating system.

c)

The earth can not regulate itself without technological intervention.

d)

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

2.

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

a)

The cost of fuel

b)

Religious beliefs

c)

Family influence

d)

What kind of house you own

3.

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

a)

Magnification

b)

Storage

c)

Transformations

d)

Flows

4.

Which system most closely represents real systems

a)

Closed system

b)

Isolated system

c)

Idealised system

d)

Open system

5.

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

a)

Transfer

b)

Transformation

6.

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

a)

Ecocentrism

b)

Antropocentrism

c)

Technocentrism

d)

Deep ecologist

7.

What is the Ecological footprint?

a)

Hypothetical area of land that a human uses every day

b)

Hypothetical area of land to support waste assimilation and food production

c)

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

d)

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

8.

Letter A represents a(n) ___.

a)

output

b)

input

c)

process

d)

store

9.

___ only exchange energy with their surroundings.

a)

Open systems

b)

Closed systems

c)

Isolated systems

10.

A ________________ feedback loop makes a system more stable.

a)

Positive

b)

Neutral

c)

Negative

d)

Circular

11.

A _________________ feedback loop moves a system to an extreme.

a)

Positive

b)

Neutral

c)

Circular

d)

Negative

12.

With the rapidly growing human population and constant new pressures on the environment it gradually becomes more difficult to maintain sustainability. Choose the sentence which best explains what sustainability is.

a)

The exploitation of resources at such rate which allows for their natural replenishment and the recovery of the ecosystem affected by their use.

b)

The maximum population size that an area can support without detrimental effects.

c)

Engaging in the prevention of negative effects of human activities on the Earth’s resources through localised actions (recycling of waste, reduction in electricity consumption etc.).

d)

The area of land needed to provide all of the resources for a person’s lifestyle and to dispose of all their wastes.

13.

human-centered value system that places humans as the central species and assesses the environment from an exclusively human perspective

a)

ecocentric

b)

anthropocentric

c)

technocentric

14.

Nature-centered value system that views people as being under nature's control rather than in control of it.

a)

ecocentric

b)

anthropocentric

c)

technocentric

15.

technology-based value system that believes the brain power of humans will enable us to control the environment

a)

ecocentric

b)

anthropocentric

c)

technocentric

16.

This term is defined as an arbitrary group of individuals who share some common characteristics such as location, cultural background, religion or value system.

a)

culture

b)

ecosystem

c)

government

d)

society

17.

A group of ecosystems with similar climates.

a)

equator

b)

poles

c)

deep ocean

d)

biome

18.

Energy cannot be created nor destroyed, only converted from one form to another. Which Law is this?

a)

First Law of Thermodynamics

b)

Second Law of Thermodynamics

c)

Third Law of Thermodynamics

d)

First Law of Fusion

19.

Which law remarks that the availability of energy to carry out processes becomes reduced as it moves through a system and entropy increases?

a)

First Law of Thermodynamics

b)

Second Law of Thermodynamics

c)

Third Law of Thermodynamics

d)

Murphy's Law

20.

This is also known as dynamic equilibrium and is a stable form of equilibrium that allows a system to return to its steady state after a disturbance.

a)

steady-state equilibrium

b)

unstable equilibrium

c)

feedback

d)

static equilibrium

21.

This is the tendency of a system to maintain stability and resist tipping points.

a)

resilience

b)

entropy

c)

feedbacks

d)

static equilibrium

22.

The minimum amount of change within a system that will destabilize it and cause it to reach a new equilibrium or stable state.

a)

tipping point

b)

resilience

c)

sustainability

d)

feedback

23.

particular world view or set of paradigms that shapes the way individuals or societies perceive and evaluate environmental issues

a)

environmental movements

b)

environmental value systems

c)

environmental science

d)

environmental philosophies

24.

Name the EVS described here: This is a holistic view...an integration of spiritual, social and environmental dimensions...push for sustainability for the whole earth...push for self-reliant communities and global citizenship...self-imposed restraint on resource use.

a)

ecocentric

b)

anthropocentric

c)

technocentric

25.

Name the EVS described here: population control is given equal weight to resource use...strong regulation by independent authorities is required

a)

ecocentric

b)

anthropocentric

c)

technocentric

26.

Name the EVS described here: resource replacement solves resource depletion...there's a need to understand natural processes in order to control them...there's a strong emphasis on scientific analysisand prediction prior to policy-making and there's high importance on market and economic growth.

a)

ecocentric

b)

athropocentric

c)

technocentric

27.

The total set of greenhouse gas emissions caused directly and indirectly by an individual, organization, event or product.

a)

ozone layer

b)

coral bleaching

c)

ecological footprint

d)

carbon footprint

28.

A way of visualizing a complex set of interactions in ecology, society and another system.

a)

feedback loops

b)

biomes

c)

systems approach

d)

carbon cycle

29.

Features of a system that cannot be present in the individual parts, but instead only present when all parts come together. An example: A small fish only resembles a large predator when present in a school of small fish.

a)

open system

b)

emergent property

c)

isolated system

d)

transformation

30.

In a systems diagram, these include areas that hold matter and/or energy.

a)

flows

b)

storages

c)

boxes

d)

arrows

31.

This is an ADVANTAGE of using models.

a)

models may be oversimplified so accuracy is lost

b)

models allow complex systems to be simplified

c)

models and predictions depend on the skills and experience of the model makers

d)

models can be manipulated for financial or political gain

32.

This is the tendency of a system to maintain stability and resist tipping points.

a)

resilience

b)

entropy

c)

feedbacks

d)

static equilibrium

33.

Ecologial Footprint (EF) is a sustainability indicator that represents the area of land andn water needed to sustainably provide all of the resources required at the rate they are consumed by a given population. Which are factors taken into account for this calculation? Check all that apply.

a)

land area taken up by housing, transportation and industry

b)

primary production needed to suppot fish and seafood caught

c)

total amount of lumber, pulp and timber products and fuelwood used

d)

total area used to raise livestock and total carbon uptake

e)

area used to produce food and fiber for human consumption and feed for livestock