MA 1. What is a tessellation?

A - A pattern of shapes that covers a su...read more A - A pattern of shapes that covers a surface without gaps or overlaps.
B - A drawing made only of circles.
C - A pattern with randomly placed shape...read more C - A pattern with randomly placed shapes.
D - ---

Korrekt svar : A - A pattern of shapes that covers a surface without gaps or overlaps.

BI 2. What is bioluminescence?

A - The ability of living organisms to p...read more A - The ability of living organisms to produce light.
B - The ability of animals to change the...read more B - The ability of animals to change their size.
C - The process of making food using sun...read more C - The process of making food using sunlight.
D - ---

Korrekt svar : A - The ability of living organisms to produce light.

GEO 3. How are many natural caves formed in limestone rocks?

A - By the freezing of seawater.
B - By slightly acidic water slowly diss...read more B - By slightly acidic water slowly dissolving the rock.
C - By strong winds creating holes in th...read more C - By strong winds creating holes in the ground.
D - ---

Korrekt svar : B - By slightly acidic water slowly dissolving the rock.

CHEM 4. What makes activated charcoal useful for removing impurities?

A - Its bright colour.
B - Its large surface area with many tin...read more B - Its large surface area with many tiny pores.
C - Its ability to melt impurities.
D - ---

Korrekt svar : B - Its large surface area with many tiny pores.

PHY 5. What scientific principle allows a simple periscope to work?

A - Reflection of light.
B - Freezing of light.
C - Production of sound waves.
D - ---

Korrekt svar : A - Reflection of light.

SS 6. How did ancient trade routes help cultures interact with each other?

A - By stopping people from travelling.
B - By allowing people to exchange goods...read more B - By allowing people to exchange goods, ideas, and traditions.
C - By preventing different societies fr...read more C - By preventing different societies from meeting.
D - ---

Korrekt svar : B - By allowing people to exchange goods, ideas, and traditions.

PE 7. What does reaction time mean in sports?

A - The time it takes to respond to a si...read more A - The time it takes to respond to a signal or stimulus.
B - The total time spent sleeping after ...read more B - The total time spent sleeping after exercise.
C - The distance an athlete can jump.
D - ---

Korrekt svar : A - The time it takes to respond to a signal or stimulus.

MA 8. Which of the following shapes can tessellate a flat surface on its own?

A - A regular pentagon.
B - A square.
C - A regular octagon.
D - ---

Korrekt svar : B - A square.

BI 9. Why do some deep-sea animals use bioluminescence?

A - To make their bodies heavier.
B - To attract prey, communicate, or pro...read more B - To attract prey, communicate, or protect themselves.
C - To increase the temperature of the o...read more C - To increase the temperature of the ocean.
D - ---

Korrekt svar : B - To attract prey, communicate, or protect themselves.

GEO 10. What are stalactites and stalagmites commonly found inside caves?

A - Mineral formations created by drippi...read more A - Mineral formations created by dripping water.
B - Types of underground animals.
C - Layers of frozen soil.
D - ---

Korrekt svar : A - Mineral formations created by dripping water.

CHEM 11. Which process allows activated charcoal to trap impurities on its surface?

A - Evaporation
B - Condensation
C - Adsorption
D - ---

Korrekt svar : C - Adsorption

PHY 12. How are the two mirrors usually placed inside a simple periscope?

A - Facing each other at 90-degree angle...read more A - Facing each other at 90-degree angles.
B - Parallel to each other at 45-degree ...read more B - Parallel to each other at 45-degree angles to the tube.
C - Both facing the same direction witho...read more C - Both facing the same direction without any tilt.
D - ---

Korrekt svar : B - Parallel to each other at 45-degree angles to the tube.

SS 13. Which famous ancient trade network connected China with regions in Central Asia, the Middle East, and Europe?

A - The Silk Road.
B - The Atlantic Road.
C - The Polar Route.
D - ---

Korrekt svar : A - The Silk Road.

PE 14. Why is coordination important in sports?

A - It helps athletes control their body...read more A - It helps athletes control their body movements smoothly and accurately.
B - It makes athletes forget the rules o...read more B - It makes athletes forget the rules of a game.
C - It prevents athletes from moving qui...read more C - It prevents athletes from moving quickly.
D - ---

Korrekt svar : A - It helps athletes control their body movements smoothly and accurately.

MA 15. Where can we commonly find tessellation patterns in everyday life?

A - On tiled floors and walls.
B - Inside a glass of water.
C - In the sound of music.
D - ---

Korrekt svar : A - On tiled floors and walls.