Force Worksheet - Class 4 Science | FREE PDF Download

Q1: Multiple Choice Questions (MCQs).

(i) Which of them can have stored energy?
(a) Water
(b) Air
(c) Log of wood
(d) All of these

(ii) In which case is energy required?
(a) In moving something
(b) Change ice to water
(c) Change water to water vapour
(d) All of these

(iii) Walking on slippery ground is difficult because there is:
(a) very little gravity between us and the ground
(b) very high gravity between us and the ground
(c) very little friction between our feet and the ground
(d) very high friction between our feet and the ground

(iv) In which of these cases is a force being applied?
(a) Lifting a book
(b) Stretching a string
(c) Kicking a football
(d) All of these

(v) Which of these is not a form of energy?
(a) Heat
(b) Light
(c) Water
(d) Electricity

Q2: True or False.

(i) The energy of fuels comes from the Sun.

(ii) Things thrown up will come down, even if there is no gravity.

(iii) Fuels have stored energy in them.

Q3: Fill in the blanks.

(i) Wood, petrol, coal or LPG are called ________.

(ii) ________ energy is used by plants to produce food.

(iii) Oiling reduces ________ between surfaces.

Q4: Match the following.

Q5: Answer the following questions in brief.

(i) What is the greatest source of energy on Earth?

(ii) How can we reduce friction?

Q6: Answer the following questions in detail.

(i) What are different forms of energy?

(ii) What is gravity? How is it useful?

(iii) Why is friction important?

You can find Worksheets Solutions here: Worksheet Solutions: Force, Energy & Work - 1