Some Natural Phenomena Practice Questions
Class 8 · Science · 1124 free MCQs with instant results and detailed explanations.
1124
Total
333
Easy
566
Medium
225
Hard
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Topics in Some Natural Phenomena
Lightning
362
Static Electricity
355
Earthquakes
407
Sample Questions from Some Natural Phenomena
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
What is the primary cause of lightning during thunderstorms?
A.
Static electricity buildup in clouds
B.
High temperature in the atmosphere
C.
Wind friction between clouds
D.
Presence of water vapor in the air
Show Answer & Explanation
Correct Answer: A
Lightning is primarily caused by the buildup of static electricity in clouds. When the difference in charges becomes too great, it results in a discharge of electricity, which we see as lightning.
Q2
Easy
What is lightning primarily caused by?
A.
Static electricity
B.
High temperature
C.
Low pressure
D.
Wind speed
Show Answer & Explanation
Correct Answer: A
Lightning is caused by the discharge of static electricity accumulated in clouds.
Q3
Easy
Which part of a thunderstorm is responsible for the formation of lightning?
A.
Cumulonimbus clouds
B.
Stratus clouds
C.
Cirrus clouds
D.
Nimbus clouds
Show Answer & Explanation
Correct Answer: A
Cumulonimbus clouds are thick and tall clouds that can produce thunder and lightning.
Q4
Medium
What causes lightning to occur during a thunderstorm?
A.
Friction between clouds
B.
Static electricity buildup
C.
High temperatures in the atmosphere
D.
Chemical reactions in clouds
Show Answer & Explanation
Correct Answer: B
Lightning is primarily caused by the buildup of static electricity in clouds, which discharges as a bolt of lightning.
Q5
Medium
Which part of a lightning bolt is the hottest?
A.
The core
B.
The outer layer
C.
The ground
D.
The surrounding air
Show Answer & Explanation
Correct Answer: A
The core of a lightning bolt can reach temperatures of about 30,000 Kelvin, making it the hottest part.
Q6
Medium
What is the primary reason why lightning is dangerous?
A.
It can cause fires
B.
It has a strong odor
C.
It occurs frequently
D.
It can change weather patterns
Show Answer & Explanation
Correct Answer: A
Lightning poses a danger mainly because it can ignite fires and cause severe injuries or fatalities to living beings.
Q7
Medium
Which of the following is a safe practice during a lightning storm?
A.
Standing under a tree
B.
Using a landline phone
C.
Staying indoors
D.
Swimming in a pool
Show Answer & Explanation
Correct Answer: C
Staying indoors during a lightning storm is the safest practice as it minimizes the risk of being struck.
Q8
Hard
What is the primary cause of lightning during a thunderstorm?
A.
Collision of ice particles in clouds
B.
High humidity levels
C.
Solar flares
D.
Wind speed variation
Show Answer & Explanation
Correct Answer: A
Lightning is primarily caused by the collision of ice particles in clouds, which generates static electricity.
Q9
Hard
Which of the following materials is a poor conductor of electricity, thus reducing lightning damage?
A.
Wood
B.
Aluminum
C.
Copper
D.
Steel
Show Answer & Explanation
Correct Answer: A
Wood is a poor conductor of electricity, making it safer from lightning strikes compared to metals.
Q10
Hard
During a lightning strike, what is the approximate temperature of the lightning channel?
A.
1,000 °C
B.
10,000 °C
C.
30,000 °C
D.
50,000 °C
Show Answer & Explanation
Correct Answer: C
The temperature of a lightning strike can reach up to 30,000 °C, which is much hotter than the surface of the sun.
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Some Natural Phenomena — Class 8 Science Practice Questions Online
This page contains 1124 practice MCQs for the chapter Some Natural Phenomena in Class 8 Science. The questions are organized by difficulty — 333 easy, 566 medium, 225 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 3 topics, giving you comprehensive coverage of the entire chapter.