Worksheet Solutions: The Wonderful World of Science | Worksheets with Solutions for Class 6 PDF Download

Multiple Choice Questions (MCQs)

Q1: What drives humans to explore and ask questions from a young age?

(a) Necessity
(b) Curiosity
(c) Education
(d) Environment

Ans: (b)

Curiosity is the fundamental drive that leads humans to explore their surroundings and ask questions. While necessity, education, and environment can influence exploration, it is curiosity that primarily fuels the desire to learn and discover.

Q2: What does the scientific method help us to do?

(a) Spend more time outdoors
(b) Find reliable answers and understand the world better
(c) Avoid asking questions
(d) Make quick decisions

Ans: (b)

The scientific method is a systematic approach that allows us to find reliable answers and gain a deeper understanding of the world. It encourages inquiry and thorough investigation, unlike the other options which do not align with its purpose.

Q3: What is an example of a transformation you might have observed?
(a) A mountain forming
(b) A caterpillar transforming into a beautiful butterfly
(c) A galaxy expanding
(d) A desert turning into a forest
Ans: (b)

A caterpillar transforming into a butterfly is highlighted as a notable observation about life.

Q4: What happens to water when we heat it?
(a) It freezes and becomes ice
(b) It boils and becomes steam
(c) It rains from the sky
(d) It turns into milk

Ans: (b)

Heating water causes it to boil and turn into steam.

Q5: What is an example of a question you might ask about the night sky?
(a) Why does it rain?
(b) Why do the stars shine?
(c) How does a pen write?
(d) Why is a tyre flat?
Ans: (b)
Wondering why the stars shine is a question prompted by observing the night sky.

Fill in the Blanks

Q1: Science involves making observations, asking questions, making a ________ (possible answer), doing experiments or more observations, and analyzing the results.
Ans: guess

The scientific method involves guessing a possible answer to a question before testing it.

Q2: Have you ever looked up at the night sky and wondered why the ________ shine?
Ans: stars

Observing the night sky often leads to questions about why stars shine.

Q3: You might have seen a ________ grow into a plant, as an example of observations about life.
Ans: seed

Seeing a seed grow into a plant is a common observation of life processes.

Q4: Water can be solid (ice), liquid (water), or gas (________).

Ans: steam

In its gaseous state, water is referred to as steam. This occurs when water is heated and transitions from a liquid to a gas.

Q5: The scientific method is a ________ process that scientists use to find answers to questions and solve problems.

Ans: step-by-step

The scientific method is a step-by-step approach that guides scientists in conducting research and experiments to answer questions systematically.

True or False

Q1: The scientific method involves observing something, thinking of a question, guessing a possible answer, testing it through experiments or observations, and analyzing the results.
Ans: True

The scientific method includes observing, questioning, guessing, testing, and analyzing results.

Q2: A caterpillar transforming into a beautiful butterfly is an example of an observation about life on Earth.
Ans: True

Observing a caterpillar transform into a butterfly is an example of life on Earth.

Q3: Water freezes and becomes ice when we cool it and boils and becomes steam when we heat it.
Ans: True

Water changes states, becoming ice when cooled and steam when heated.

Q4: Curiosity is not important in science.
Ans: False

Curiosity is a fundamental aspect of scientific inquiry, driving scientists to ask questions and seek answers.

Q5: Separating different materials from one another, like the paper, metal key, plastic ruler, and rubber eraser, is a question explored in science.
Ans: True

Science involves exploring how to separate different materials, such as paper, metal, plastic, and rubber.

Match the Following

Ans: