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  - Polymer Chemistry
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    - Reaction Dynamics 81
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  - Green Chemistry
    - Sustainable Design 4
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  - Materials Chemistry
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- Biology
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  - Human Anatomy & Physiology
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  - Botany Plant Biology
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    - Photosynthesis 53
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    - Plant Taxonomy 43
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  - Zoology Animal Biology
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    - Arthropoda 12
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    - Fish 76
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    - Anatomy 53
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  - Microbiology
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    - Mycology 16
    - Parasitology 59
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  - Biotechnology
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  - Molecular Biology
    - Biological Biomolecules 8
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    - Bio Nucleic Acids 5
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    - Bio Metabolism 60
    - Cellular Respiration 22
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- Earth & Space Science
  - Geology
    - Minerals 32
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    - Soil 5
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Exams & Certifications

Science Quizzes , Questions & Answers

Recent Science Quizzes

Atomic Structure and Bohr-Rutherford Diagrams

This assessment focuses on atomic structure and Bohr-Rutherford diagrams. It evaluates your understanding of key concepts such as atomic numbers, subatomic particles, isotopes, and electron configurations. Mastering these topics...

Questions: 15 | Attempts: 10 | Last updated: Oct 6, 2026

Sample Question
What is the atomic number of an element equal to?

Number of neutrons

Number of protons

Number of electrons plus neutrons

Mass number

Inside an Atom: Subatomic Particles

This assessment focuses on the fundamental components of atoms, specifically subatomic particles like protons, neutrons, and electrons. It evaluates your understanding of their roles, charges, and how they define chemical...

Questions: 8 | Attempts: 12 | Last updated: Oct 6, 2026

Sample Question
Which subatomic particle defines the identity of a chemical element?

Neutron

Electron

Proton

Nucleon

Atomic Structure and Subatomic Particles

This assessment focuses on atomic structure and subatomic particles, evaluating knowledge of atoms, protons, neutrons, electrons, and ions. Understanding these concepts is essential for grasping the fundamentals of chemistry and...

Questions: 25 | Attempts: 11 | Last updated: Oct 6, 2026

Sample Question
What is the basic building block of matter?

Nucleus

Atom

Proton

Electron

Fermentation and Microbial Products in Science

This assessment explores the fermentation processes involved in producing Nata de Coco and vinegar. It evaluates understanding of key concepts such as the role of microorganisms and the transformation of materials through...

Questions: 25 | Attempts: 10 | Last updated: Oct 6, 2026

Sample Question
What is the source/material used to make Nata de Coco?

Coconut milk

Coconut water

Coconut oil

Coconut sugar

Electric Current and Resistance

This assessment covers essential concepts of electric current and resistance, including units, effects, and applications. It evaluates your understanding of the magnetic, heating, and chemical effects of electric current. This...

Questions: 8 | Attempts: 10 | Last updated: Oct 6, 2026

Sample Question
What is the SI unit of electric current?

Volt

Ampere

Ohm

Watt

Science: Thermal Radiation & Electrical Systems

This assessment focuses on thermal radiation and electrical systems, evaluating key concepts such as heat transfer methods and circuit configurations. Understanding these principles is essential for grasping how energy is emitted...

Questions: 8 | Attempts: 10 | Last updated: Oct 6, 2026

Sample Question
Two objects of identical mass and material have different surface areas. Which statement correctly describes their radiation behavior?

The object with smaller surface area emits radiation at a higher rate

The object with larger surface area emits radiation at a higher rate

Both objects emit radiation at the same rate regardless of surface area

Surface area has no effect on the rate of radiation emission

Heat Transfer & Radiation Science Quiz

This quiz focuses on heat transfer and radiation science. It evaluates your understanding of convection currents, radiation properties, and thermal energy transfer. By taking this quiz, you can enhance your knowledge of how heat...

Questions: 8 | Attempts: 10 | Last updated: Oct 6, 2026

Sample Question
Why are air conditioners and refrigerators placed as high as possible on the wall?

To save floor space in the room

To create a larger convection current that cools the room more effectively

To reduce the amount of energy consumed

To prevent warm air from rising to the ceiling

Heat Transfer: Conduction & Convection

This assessment focuses on heat transfer through conduction and convection. It evaluates your understanding of thermal energy transfer, the properties of conductors, and the mechanics behind convection currents. By engaging with...

Questions: 8 | Attempts: 18 | Last updated: Oct 6, 2026

Sample Question
What is the correct definition of conduction?

Transfer of thermal energy through physical movement of a medium

Transfer of thermal energy through vibrational motion from one particle to another

Transfer of thermal energy through electromagnetic waves

Transfer of thermal energy through density differences

Expansion, Contraction & Heat Transfer

This quiz explores the principles of expansion, contraction, and heat transfer. It evaluates your understanding of how different states of matter react to temperature changes, the behavior of materials in various conditions, and...

Questions: 8 | Attempts: 10 | Last updated: Oct 6, 2026

Sample Question
Which state of matter expands and contracts the most when temperature changes?

Solid

Liquid

Gas

Plasma

Conservation of Energy & Heat Transfer

This assessment covers key concepts of energy conservation and heat transfer, focusing on gravitational potential energy and kinetic energy transformations. It evaluates understanding of how energy is conserved in closed systems...

Questions: 8 | Attempts: 10 | Last updated: Oct 6, 2026

Sample Question
A ball is released from rest at a height where its gravitational potential energy (GPE) is 150 J. If the total energy of the system is conserved and there is no air resistance, what is the kinetic energy (KE) of the ball just before it hits the ground?

0 J

75 J

150 J

300 J

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