Science Quiz

 

*Easy (10 questions)*

1. What is the process of plants making their own food called?

A) Respiration

B) Photosynthesis

C) Decomposition

D) Fermentation

2. What is the largest planet in our solar system?

A) Earth

B) Saturn

C) Jupiter

D) Uranus

3. What is the unit of measurement for temperature?

A) Celsius

B) Fahrenheit

C) Kelvin

D) All of the above

4. Which part of the plant absorbs water and minerals from the soil?

A) Roots

B) Stems

C) Leaves

D) Flowers

5. What is the process of conversion of liquid to gas called?

A) Melting

B) Boiling

C) Condensation

D) Evaporation

6. Which sense organ helps us to see?

A) Ear

B) Eye

C) Nose

D) Tongue

7. What is the hardest substance found in the human body?

A) Bone

B) Tooth enamel

C) Muscles

D) Nails

8. Which type of rock is formed from molten lava?

A) Igneous

B) Sedimentary

C) Metamorphic

D) Fossil

9. What is the process of recycling called?

A) Conservation

B) Sustainability

C) Reduction

D) Reuse

10. Which planet is closest to the Sun?

A) Earth

B) Mercury

C) Mars

D) Venus

*Medium (10 questions)*

11. What is the process by which an organism's genetic information is passed from one generation to the next called?

A) Mutation

B) Genetic drift

C) Heredity

D) Variation

12. Which type of wave requires a medium to travel?

A) Light wave

B) Sound wave

C) Water wave

D) Seismic wave

13. What is the symbol for gold?

A) Ag

B) Au

C) Hg

D) Pb

14. Which type of mirror is used in a solar furnace?

A) Convex

B) Concave

C) Plane

D) Spherical

15. What is the process of separating a mixture based on differences in density called?

A) Filtration

B) Decantation

C) Sedimentation

D) Centrifugation

*CBQ (5 questions)*

16-20: Read the following passage and answer the questions that follow:

A group of students conducted an experiment to study the effect of pH on plant growth. They prepared three identical pots with different pH levels: acidic, neutral, and basic. They planted identical seeds in each pot and observed the growth of the plants over several days.

16. What is the independent variable in this experiment?

A) pH level

B) Plant growth

C) Type of plant

D) Amount of water

17. What is the dependent variable in this experiment?

A) pH level

B) Plant growth

C) Type of plant

D) Amount of water

18. Which pot would likely show the most growth, assuming the plants prefer a neutral pH?

A) Acidic pot

B) Neutral pot

C) Basic pot

D) Cannot be determined

19. What would happen if the students forgot to water the plants?

A) The plants would grow faster

B) The plants would grow slower

C) The plants would die

D) The experiment would not be affected

20. What can be inferred about the relationship between pH and plant growth?

A) Plants grow best in acidic soil

B) Plants grow best in basic soil

C) Plants grow best in neutral soil

D) The relationship cannot be determined

*HOTS (5 questions)*

21. A ball is rolled on a smooth surface and then on a rough surface. What can be inferred about the relationship between surface texture and friction?

A) Friction increases with smoothness

B) Friction decreases with smoothness

C) Friction is independent of surface texture

D) Friction is directly proportional to surface area

22. A plant is placed in a sealed container with a small amount of water. After a few days, the plant starts to wilt. What is the most likely reason for this?

A) Lack of sunlight

B) Lack of oxygen

C) Lack of water

D) Buildup of carbon dioxide

23. A metal spoon is placed in a hot cup of coffee. After a few minutes, the spoon becomes hot. What type of heat transfer is occurring?

A) Conduction

B) Convection

C) Radiation

D) Evaporation

24. A group of students observed that a certain type of plant grows faster in soil with a higher pH level. What can be inferred about the plant's preference?

A) Acidic soil

B) Basic soil

C) Neutral soil

D) Cannot be determined

25. What would happen if the Earth's atmosphere were to suddenly lose all its oxygen?

A) All living organisms would die

B) Only humans would die

C) Only plants would die

D) Nothing would happen

*Competitive questions (5 questions)*

26. What is the term for the movement of tectonic plates that results in the creation of mountains?

A) Continental drift

B) Plate tectonics

C) Orogenesis

D) Weathering

27. What is the scientific term for the study of the structure, behavior, and evolution of the universe?

A) Cosmology

B) Astrology

C) Astronomy

D) Geology

28. Which type of energy is released during nuclear reactions?

A) Chemical energy

B) Nuclear energy

C) Thermal energy

D) Electrical energy

29. What is the term for the process by which an organism's genetic material is altered by external factors?

A) Mutation

B) Genetic drift

C) Gene expression

D) Genetic engineering

30. What is the scientific term for the study of the Earth's physical structure and composition?

A) Geology

B) Meteorology

C) Oceanography

D) Paleontology