Grade 8 Quizzes, Questions & Answers

Recent Grade 8 Quizzes

Biochemistry: Water, Carbon & Macromolecules

This assessment focuses on key concepts in biochemistry, including the properties of water, carbon's versatility in forming macromolecules, and enzyme functionality. Understanding these topics is essential for grasping...

Questions: 8 | Attempts: 10 | Last updated: Sep 3, 2026

Sample Question
Which property of water is MOST responsible for allowing water striders (insects) to walk on the surface of water?

High heat of vaporization

Cohesion and surface tension

Adhesion to other molecules

Expansion upon freezing

Respiratory, Excretory, Circulatory & Nervous Systems

This assessment focuses on the respiratory, excretory, circulatory, and nervous systems. It evaluates your understanding of key functions, pathways, and components of these essential systems. By taking this quiz, you will...

Questions: 30 | Attempts: 10 | Last updated: Sep 3, 2026

Sample Question
What is the primary function of the respiratory system?

To filter waste products from the blood

To provide an area for gas exchange between the blood and the environment

To transport nutrients throughout the body

To regulate body temperature

Human Body Systems: Respiratory to Reproductive

This assessment focuses on key concepts related to human body systems, from respiration to reproduction. It evaluates your understanding of how various organs function, the pathways of urine, and the roles of different glands....

Questions: 8 | Attempts: 10 | Last updated: Sep 3, 2026

Sample Question
Which part of the brain is responsible for controlling involuntary actions such as digestion, respiration, and the beating of the heart?

Cerebrum

Cerebellum

Medulla Oblongata

Hypothalamus

Photosynthesis, Respiration and Atomic Structure

This assessment focuses on photosynthesis, respiration, and atomic structure. It evaluates understanding of key concepts such as the processes of photosynthesis and respiration, the role of sub-atomic particles, and their...

Questions: 15 | Attempts: 10 | Last updated: Sep 3, 2026

Sample Question
What are the two main biological processes discussed in Week 7?

Photosynthesis and Respiration

Digestion and Circulation

Reproduction and Growth

Excretion and Absorption

Biology Science Topics Quiz

This assessment focuses on essential concepts in biology, including the functions of the digestive and excretory systems, genetic traits, and classification of living organisms. It evaluates understanding of key biological...

Questions: 30 | Attempts: 10 | Last updated: Sep 3, 2026

Sample Question
What is the main function of the digestive system?

To pump blood through the body

To break down food and move it through the body

To filter air into the lungs

To send signals to the brain

Science Skills Attitudes and Reasoning

This assessment focuses on critical scientific skills such as evaluating, inferring, and modeling. It helps learners understand the importance of objectivity and skepticism in scientific inquiry. By evaluating these concepts,...

Questions: 8 | Attempts: 12 | Last updated: Sep 3, 2026

Sample Question
Which scientific skill involves comparing observations and data to reach a conclusion?

Classifying

Predicting

Evaluating

Inferring

Physical and Chemical Changes

This assessment focuses on distinguishing between physical and chemical changes. It evaluates your understanding of key concepts such as chemical reactions, the role of enzymes, and properties of acids and bases. This knowledge...

Questions: 15 | Attempts: 11 | Last updated: Sep 2, 2026

Sample Question
Which of the following is an example of a physical change?

Burning wood

Rusting of iron

Cutting food

Baking a cake

Physical Fitness and Arts of Southeast Asia

This assessment focuses on key concepts in physical fitness and the arts of Southeast Asia. It evaluates knowledge on cardiorespiratory endurance, body types, flexibility, and the FITT Principle, alongside insights into...

Questions: 8 | Attempts: 10 | Last updated: Sep 2, 2026

Sample Question
What does cardiorespiratory endurance refer to?

The maximum force a muscle can produce in a single effort

The ability of the heart, lungs, and blood vessels to supply oxygen during long exercise

The range of motion in the joints and muscles

The breakdown of total body weight into fat and fat-free mass

Ancient Civilizations of Southeast Asia

This assessment explores the ancient civilizations of Southeast Asia, focusing on key concepts such as agriculture, trade, and cultural influences. It evaluates your understanding of significant empires like Funan, Khmer, and...

Questions: 30 | Attempts: 10 | Last updated: Sep 2, 2026

Sample Question
Which of the following BEST defines civilization as a concept?

A small group of nomadic people sharing food resources

A highly organized and complex society marked by cultural, technological, political, and economic achievements

A religious community governed by spiritual leaders

A collection of villages connected by trade routes

Multimedia & Digital Media Production Quiz

This assessment focuses on multimedia and digital media production concepts. It evaluates knowledge of key elements like interactivity, image types, and video editing techniques. Understanding these topics is essential for anyone...

Questions: 30 | Attempts: 14 | Last updated: Sep 2, 2026

Sample Question
What is multimedia?

Content that combines text, images, audio, video, and interactivity

A type of software used only for video editing

A digital file format for storing images

A tool used exclusively for creating presentations

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