What Students Need Help With in Science

Science is not just memorising facts. It is understanding concepts, making connections, and thinking critically. Many students in Bali's international schools struggle with science because the curriculum demands depth and application, not just recall. The transition from primary science to secondary science is particularly challenging — students move from describing phenomena to explaining them with models, equations, and evidence.

The most common science challenges we see are:

Conceptual understanding: Students can memorise definitions but cannot explain how or why things happen. They know that photosynthesis produces glucose but cannot explain the role of chlorophyll, the light-dependent reactions, or the Calvin cycle.
Mathematical science: Many science topics require maths: mole calculations in chemistry, force equations in physics, data analysis in biology. Students who are weak in maths often struggle in science, even if they understand the concepts.
Scientific terminology: Science has a dense vocabulary of Latin and Greek roots. Students who are not native English speakers often struggle with terms like "photosynthesis," "mitochondria," "electrolysis," and "thermodynamics."
Practical skills: Science exams test practical skills: experimental design, data collection, graph drawing, error analysis, and conclusion writing. Many students have not had enough hands-on practice.
Exam technique: Science exams require students to apply knowledge to unfamiliar situations, interpret data, and write extended responses. Many students lose marks because they do not read the question carefully, show their working, or use the correct terminology.
IB Internal Assessments: The IB science IA requires students to design and conduct their own investigation. Many students struggle with hypothesis formation, variable control, and data analysis.

Subjects and Levels

Primary Science (Ages 5-11): We cover biology, chemistry, physics, and earth science through hands-on experiments and inquiry-based learning. We focus on observation, questioning, and investigation. We make science fun and accessible.

Lower Secondary Science (Ages 11-14): We cover general science, including biology, chemistry, and physics. We focus on conceptual understanding, scientific enquiry, and the transition from primary to secondary expectations.

IGCSE Combined Science (0653): We cover biology, chemistry, and physics in a combined course. This is suitable for students who want a broad science education without the depth of separate sciences.

IGCSE Coordinated Sciences (0654): We cover biology, chemistry, and physics in a coordinated course with more depth than Combined Science. This is suitable for students who want a strong science foundation.

IGCSE Separate Sciences (Biology 0610, Chemistry 0620, Physics 0625): We cover each science subject in depth. This is suitable for students who want to study science at A-Level or IB.

IB MYP Science: We support all MYP science objectives. We focus on inquiry, conceptual understanding, and the MYP criteria.

IB Diploma Science (Biology, Chemistry, Physics, Computer Science, Environmental Systems and Societies): We provide subject-specific tutoring, IA support, and exam preparation. We cover both Standard Level and Higher Level.

A-Level Science (Biology, Chemistry, Physics): We support all major exam boards. We focus on depth, exam technique, and practical skills.

Biology

Cell biology: We teach cell structure, transport across membranes, cell division, and the cell cycle. We use diagrams, models, and microscopes (where available) to make cells visible and understandable.

Biochemistry: We teach enzymes, respiration, photosynthesis, and DNA replication. We focus on the chemical processes that make life possible.

Genetics: We teach inheritance, genetic variation, genetic engineering, and biotechnology. We use Punnett squares, pedigree charts, and DNA models to make genetics tangible.

Ecology: We teach ecosystems, energy flow, nutrient cycling, and population dynamics. We use Bali's environment — rice paddies, coral reefs, forests — as real-world examples.

Human physiology: We teach the circulatory, respiratory, digestive, nervous, and endocrine systems. We use models, diagrams, and case studies to make physiology relevant.

Evolution: We teach natural selection, speciation, and evidence for evolution. We address common misconceptions and teach critical thinking about evolutionary biology.

IB Biology IA: We support students through the IB Biology Internal Assessment, from topic selection to write-up. We focus on experimental design, data analysis, and scientific communication.

Chemistry

Atomic structure: We teach the structure of the atom, isotopes, and the periodic table. We use models and diagrams to make atoms visible.

Bonding: We teach ionic, covalent, and metallic bonding. We use dot-and-cross diagrams, molecular models, and animations to explain bonding.

Stoichiometry: We teach mole calculations, empirical formulas, and limiting reactants. This is the most mathematically demanding part of chemistry, and we teach it step by step.

Organic chemistry: We teach hydrocarbons, functional groups, reaction mechanisms, and polymerisation. We use structural formulas and reaction pathways to make organic chemistry logical.

Physical chemistry: We teach energetics, kinetics, equilibria, and electrochemistry. We focus on the quantitative relationships between variables.

Practical chemistry: We teach experimental techniques, safety, and data analysis. We design safe, practical experiments that can be done in a villa environment.

IB Chemistry IA: We support students through the IB Chemistry Internal Assessment, from topic selection to write-up. We focus on experimental design, data analysis, and scientific communication.

Physics

Forces and motion: We teach Newton's laws, kinematics, momentum, and energy. We use real-world examples — cars, sports, roller coasters — to make physics relevant.

Waves: We teach wave properties, sound, light, and the electromagnetic spectrum. We use demonstrations and simulations to make waves visible.

Electricity and magnetism: We teach circuits, resistance, electromagnetism, and electromagnetic induction. We use circuit kits and simulations to make electricity tangible.

Thermal physics: We teach temperature, heat transfer, and the kinetic theory of gases. We use real-world examples — cooking, weather, engines — to make thermal physics relevant.

Nuclear physics: We teach radioactivity, nuclear decay, fission, and fusion. We address common misconceptions and teach critical thinking about nuclear energy.

Astrophysics (A-Level and IB HL): We teach stellar evolution, cosmology, and the Big Bang. We use simulations and data to make astrophysics accessible.

IB Physics IA: We support students through the IB Physics Internal Assessment, from topic selection to write-up. We focus on experimental design, data analysis, and scientific communication.

How We Assess the Student

Every science tutoring journey starts with an assessment:

What we assess:

Current knowledge and understanding of the syllabus
Practical skills and experimental design
Mathematical skills relevant to science
Scientific terminology and communication
Exam technique and past paper performance
Attitude and confidence towards science

How we assess:

Informal questioning and conversation (15-20 minutes)
A short practical task or problem-solving exercise (20-30 minutes)
Discussion with the parent about school performance, teacher feedback, and exam goals

What happens after the assessment:

We write a brief assessment report identifying strengths, gaps, and priorities
We propose a tutoring plan with specific goals and a timeline
We agree on session frequency, length, and focus with the parent
We set a review date (usually four weeks later) to assess progress

Lesson Structure

A typical science tutoring session follows this structure:

Warm-up (5-10 minutes): A short review of the previous session's topic or a quick science question to spark curiosity.

Main topic (30-45 minutes): The tutor explains a concept, models a worked example, and guides the student through practice problems. The tutor uses diagrams, models, and real-world examples to make science tangible.

Practical or problem-solving (10-15 minutes): A hands-on experiment or a challenging problem that requires the student to apply what they have learned. This builds depth and resilience.

Review and homework (5-10 minutes): The tutor summarises the session, highlights key takeaways, and sets homework. Homework is usually a past paper section or topic revision.

For exam students: We also include exam practice in every session. This might be a timed question, a past paper section, or a review of a recent school test.

Progress Plan and Tracking

We use a structured progress plan for every science student:

Short-term goals (2-4 weeks): Specific topics or skills to master. For example: "Complete all mole calculations in chemistry" or "Explain the process of photosynthesis in detail."

Medium-term goals (1-3 months): Broader objectives. For example: "Catch up to the class level in physics" or "Improve mock exam result by one grade."

Long-term goals (3-6 months): Exam outcomes. For example: "Achieve a grade A in IGCSE Physics" or "Be ready for IB Biology HL."

Parent Reporting

After every session, the tutor sends a brief WhatsApp message. Every four weeks, we send a formal progress report with a summary of topics covered, assessment of progress, and recommendations.

FAQ

Can you help with all science subjects?

Yes. We cover biology, chemistry, physics, combined science, coordinated science, and computer science. We support all major exam boards and curricula.

Can you help with IB science IAs?

Yes. We provide comprehensive IA support for all IB science subjects, including topic selection, experimental design, data analysis, and write-up.

Do you do practical experiments?

Yes, where possible. We design safe, practical experiments that can be done in a villa environment. For experiments that require specialised equipment, we use simulations, videos, and demonstrations.

Can you help with maths in science?

Yes. We teach the mathematical skills needed for science: mole calculations, force equations, data analysis, and graph drawing. Many of our science tutors are also maths tutors.

How do you make science interesting?

We use real-world examples, hands-on experiments, simulations, and demonstrations. We also connect science to the child's interests: if the child loves cooking, we teach chemistry through food. If the child loves sports, we teach physics through athletics.

Do you offer online science tutoring?

Yes. We offer online tutoring via Zoom for students who live in remote areas or who travel frequently. We use digital simulations, virtual labs, and interactive tools.

Science Tutor in Bali