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We know that outer planets are made up of gases, but of which gases?

Describe an experiment to show that the liquid pressure depents on the desity of liquid

Name the device which is used to protect a tall building from lightning.

Give two examples from everyday life which show that air exerts pressure.

If rays of light are incident on P1 such that all the rays are parallel to CP1, at which point will the light rays converge?

Which of the following constellations are visible in the summer season?

A. Cassiopeia

B. Orion

C. Leo Major

D. Big Bear

(a) A and B

(b) B and C

(c) A and C

(d) C and D

___ $Pa$ is the pressure at a depth of $10m$ below the surface of the kerosene. The density of kerosene is $800kg/m^3$. Take $g$ = $10m/s^2$

What is the maximum audible frequency for children under the age of 5?

What is an electrostatic force? Give two examples where you find this force in nature? [3 MARKS]

Some stale food give a bad taste and a bad smell because of:

Define Amplitude. [1 MARK]

Give two examples of situations where you push or pull to change the state of motion of objects.

Match the following:

Column A Column B

(a) Two like charges (i) negative charge

(b) Two unlike charges (ii) repel

(c) Silver is a (iii) insulator

(d) Silk is an (iv) attract

(e) Ebonite rod rubbed with fur acquires (v) conductor

Why it is not allowed to take gel pen in aeroplane.

if a stationary was suddenly speed job passenger are thrown in backward direction why is it so

When the rays reflected from a surface are in different directions, the reflection is known as:

The temperature at which a solid transforms itself into its liquid phase is termed as ___ point.

What type of reflection of light takes place from:

(a) a cinema screen ?

(b) a plane mirror ?

What are the definition of each types of spectrum ?

A magnetic force is:

If two unequal forces are applied on an object in opposite directions,

Advantages of mercury include:

The length of a rectangle is $10cm$ and breadth is $7cm$. What will be the area of a rectangle formed by joining $12$ of these rectangles?

1)Why does blood ooze out when there is a slight cut on your body?

Choose odd one out giving reasons

1.Interlocking of surfaces , force of adhesion between two surfaces, highly polished surfaces

2. Oil, sand ,Grease,graphite powder

3. Aeroplanes, Birds, ship, cart,boat

Which of the following correctly states the law of reflection?

Motion under gravity is an example of ___.

A force causes a stationary object of mass $10kg$ to move $45m$ in $6s$. Find the magnitude of this force.

Why Pluto is not a planet? What rules does it not follow?

A sound source sends waves of $400Hz$. It produces waves of wavelength $2.5m$. The velocity of sound waves is:

Which of the following is not a member of the solar system?

(a) Asteroids

(b) Morning star

(c) Satellites

(d) Constellations

On which side of the asteroid belt do we have the sum of planets and their satellites more?

Question 6

The change in seasons on the earth occurs because

(a) the distance between the earth and the sun is not constant.
(b) the axis of rotation of the earth is parallel to the plane of its orbit.
(c) the axis of rotation of the earth is perpendicular to the plane of its orbit.
(d) the axis of rotation of the earth is tilted with respect to the plane of its orbit.

The magnetic field strength at 1, 2 and 3 in the given figure are such that:

Light from an object enters the eye through the pupil and travels to the back of the eye, forming an image on the retina. What is the orientation of the retinal image, as compared to that of the original object?

What does area under v-t graph represents

In ancient times, sailors found direction by suspending a ______.

Identify the uncountable noun in the sentence.

The music began to play when the merry-go-round started moving.

What does the law of reflection states about the incident ray, the normal at the point of incidence and the reflected ray? [1 MARK]

Magnet has two poles, North Pole and:

A number of images are formed, when a pair of mirrors is kept at an angle to each other. This type of reflection is called _____________.

Which of the following are not mobile charge carriers in a conductor?