Worksheet: How Things Work

Multiple Choice Questions (MCQs)

Q1: What happens when a coin spins?
(a) It continues spinning forever
(b) It slows down, shakes, and stops because it loses balance
(c) It spins faster
(d) It stays upright without slowing down

Q2: What makes a square spinner appear circular when spun quickly?
(a) The edges blur
(b) It becomes larger
(c) The center becomes transparent
(d) It loses color

Q3: What is the primary factor that influences whether an object floats or sinks?
(a) Only the weight of the object
(b) The color of the object
(c) The shape of the object
(d) The temperature of the water

Q4: What is a charkha used for?
(a) To twist cotton into thread
(b) To create paper boats
(c) To spin wool into thread
(d) To make toys

Q5: What is one of the factors that helps objects float?
(a) Shape
(b) Color
(c) Texture
(d) Density

Fill in the Blanks

Q1: A ________ is a tool designed to investigate spinning movements, like a top or various handmade spinners.
Q2: A ________ is an ancient Indian spinning top crafted from wood or clay.
Q3: ________ is a traditional wheel for turning cotton into thread, famously used by Mahatma Gandhi.
Q4: The ability of an object to remain on the surface of water is called ________.
Q5: Objects that are ________ are tightly packed and heavy for their size.

Match the Following

Short Question Answers

Q1: What happens when a coin spins?
Q2: Why does a square spinner appear circular when spun quickly?
Q3: What determines whether an object floats or sinks?
Q4: How does the charkha work and what is its importance?
Q5: What are some examples of objects that float and sink?

Vocabulary Activity - "Guess the Word"

Q1: A sharp or spicy taste, like that of green chilli.
Q2: The way food feels in the mouth, like whether it is smooth or crunchy.
Q3: The act of something remaining on the surface of water.
Q4: A heavy object tightly packed for its size.
Q5: A traditional Indian spinning top made from wood or clay.