Class 3 Exam > Class 3 Notes > Science for Class 3 > Worksheet: Light, Sound and Force
Class 3 Science - Light Sound and Force - CBSE Worksheets
Q1: Multiple Choice Questions
(i) Light helps us to
(a) listen
(b) see
(c) speak
(d) eat
(ii) Which of these is true for your shadow?
(a) It is always black.
(b) It is of the same colour as your clothes.
(c) It is always the same size as you.
(d) It is only for med when it is dark.
(iii) Which of these is a pull?
(a) Kicking
(b) Lifting
(c) Hitting
(d) All of these
(iv) Which of these kinds of substances allows the least amount of light to pass through?
(a) Transparent
(b) Translucent
(c) Opaque
(d) Glass
(v) In which of these is a force not being applied?
(a) Reading a book
(b) Trying to push a table
(c) Kicking a football
(d) Throwing up a ball
Q2: Give two examples of the following.
(a) Transparent things ________________ ________________
(b) Push ________________ ________________
(c) Pleasant sound ________________ ________________
(d) Pull ________________ ________________
Q3: True & False
(i) Light travels in straight lines.
(ii) Unpleasant sound can cause headache.
(iii) A force can change the weight of an object.
(iv) We can clearly see through opaque objects.
(v) We use force only when we push something.
Q4: Tick the sounds which you think will make you happy.
(a) Birds chirping ()
(b) Cars honking ()
(c) Rustling leaves ()
(d) Someone singing softly ()
(e) Loud music ()
(f) Children quarrelling ()
Q5: Fill in the blanks
(a) Beam of light is called _____________ .
(b) Unpleasant sound is called _____________ .
(c) Force can change the _____________ of a moving object.
(d) A shadow for ms on the _____________ side of the light.
(e) A push or pull is a _____________ .
Q6: Match the following
Answer the following questions
Q7: What is the difference between luminous and non-luminous objects? Give two examples of each.
Q8: What is the difference between transparent and translucent objects? Give two examples of each.
Q9: How is a shadow formed?
Q10: What can force do?
You can access the solutions to this worksheet here.
The document Class 3 Science - Light Sound and Force - CBSE Worksheets is a part of the Class 3 Course Science for Class 3.
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FAQs on Class 3 Science - Light Sound and Force - CBSE Worksheets
| 1. How does light travel? |  |
Ans. Light travels in straight lines until it is reflected or refracted by an object or surface.
| 2. What is the speed of sound in air? | |
Ans. The speed of sound in air is approximately 343 meters per second at room temperature.
| 3. How is force measured? | |
Ans. Force is measured in units called Newtons (N) using a spring balance or force meter.
| 4. What is the difference between pitch and volume in sound? | |
Ans. Pitch refers to how high or low a sound is, while volume refers to how loud or soft a sound is.
| 5. How does force affect motion? | |
Ans. Force can cause an object to speed up, slow down, or change direction, influencing its motion.
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