Chapter 1: The Ever-Evolving World of Science

Summary: Science is always evolving. New discoveries and inventions improve our knowledge. Scientific methods help us understand nature through observation and experiments.
MCQs
1. Science is based on:

a) Luck   b) Magic   c) Experiments ✅   d) Guess

2. Science changes with:

a) Weather   b) Time ✅   c) Luck   d) Nothing

3. Scientific knowledge improves by:

a) Guessing   b) Experiments ✅   c) Luck   d) Magic

Very Short Answer
1. What is science?

Science is the study of nature based on observation and experiments.

2. What is observation?

Observation means carefully watching something.

3. What is experiment?

An experiment is a test done to check a hypothesis.

Short Answer
1. Why is science called ever-evolving?

Science is called ever-evolving because new discoveries and inventions continuously change our understanding.

2. What is hypothesis?

A hypothesis is a possible explanation that can be tested through experiments.

3. How does science help in daily life?

Science helps in cooking, travelling, communication and medical treatment, making life easier.

Long Answer
1. Explain scientific method.

Scientific method is a step-by-step process including observation, question, hypothesis, experiment and conclusion. It helps in finding accurate results.

2. Importance of science?

Science improves our life by providing better health, transport, communication and understanding of nature.

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