4 Ekam Grade 4 Foundational Skill Paper II

Q1.A. i) Lara is studying about light rays as shown below. Here point A represents ____________.

• Reflected rays

• Scattered rays

• Incident rays

• None of the above

Q1.A. ii) Look at the image showing the particle model of a mixture. Part C represents a ________.

• Solute

• Solution

• Solvent

• None of the above

Q1.A. iii) Look at the image of an object at rest. This image represents the following:

• Unbalanced forces

• Unequal forces

• Balanced forces

• None of the above

Q1.A. iv) Which of the following is/are the principles that allow string instruments to operate smoothly and produce different pitches of sound?

Tick option/s that applies.

• Thickness of string

• Air column of string

• Tightness of string

• All of these

Q1.A. v) Bouncing back of light from shining surfaces is called _________.

• Bending

• Refraction

• Dispersion

• Reflection

Q1.A. vi) Which of the following shows the correct similarity or difference between evaporation and boiling?

• Both boiling and evaporation take place at a fixed temperature.

• Both boiling and evaporation require direct heating.

• Boiling takes place throughout the liquid while evaporation takes place at the surface of the liquid.

• Liquid gains heat  during boiling but not during evaporation.

Q2.A. Name the following :    i) Melting point of water - ______________     

Q2.A. Name the following. ii) A upward force exerted by water on a submerged object __________

• Thrust

• Air resistance

• Water resistance

• Upthrust

Q2.A. Name the following.   iii) A term for how high or low a sound is ___________

• pitch

• volume

• sound

• none of the above

Q2.A. Name the following.  iv) A substance that is dissolved in a solution __________

• solvent

• solute

• insoluble

• immiscible