1. Who invented the first Telescope?- Hans Lippershey

2. Which famous scientist had difficulty in speaking until the age of 4 years? – Albert Einstein

3. Rusting of iron takes place when exposed to which gas – Oxygen Gas

4. Which is the nearest star to the planet Earth? – Sun

5. Which scientist discovered four largest moons of Jupiter using a telescope – Galileo Galilei

Graphite is made up of which element –  carbon

What is the chemical formula for Potassium permanganate? – KMnO4

What is the central metal Ion present in the chlorophyll? – Magnesium

What is a Dutch perspective glass?  –Telescope

An Unlit matchstick has which kind of energy? – Chemical Energy

When a bus stops suddenly, passengers tend to fall forward: Which law of Newton is present in this situation – Newton’s First Law

What is the percentage of Oxygen gas in the atmosphere – 21%

Pencil leads are made up of which compound? – Graphite

Bananas have which radioactive element? – potassium

What are the three main different types of rocks? – igneous, sedimentary and Metamorphic

What is the element which is used in nuclear bombs?- Uranium

Who was the first person to use the telescope for astronomical observations? – Galileo Galilei

Patterns in the night sky formed by the prominent stars are known as – Constellations

What is the name of rover which was sent by NASA to the planet Mars? – Curiosity

Which color in VIBGYOR has the highest frequency? – Violet

What is the atomic number of gold? -79

Which metal is used in aircrafts for its less weight? – aluminum

What is the formula for Newton’s second law? – F=ma

What is the atomic number of phosphorus? -15

When light passes through a lens, it is called as – Refraction

What is the formula for density? – Mass by volume

When heat is released we call the reaction as – Exothermic reaction

How many bones does a newborn baby have? – 300

Which is the nearest galaxy to Milky Way? –  Andromeda Galaxy

Which 4 planets in our solar system have rings? – Jupiter, Saturn, Uranus and Neptune

What is called as the powerhouse of the cell? –  Mitochondria

The instrument used to measure atmospheric pressure? – Barometer

What is the chemical formula for chalk piece?  – Calcium Carbonate ( CaCo3)

Who discovered the cell? – Robert Hooke

Dead stars are called as? – Black holes

Where is the deepest point on the Earth? – Mariana Trench

What is the gas that is filled in electric bulbs?- Nitrogen gas

What is the common name for baking soda? – Sodium Bicarbonate

Biogas mainly contains which gas? – Methane Gas

Blood gets its red color from which element – iron

Why does Sky appear blue in color? – Scattering of light

Which is the most abundant gas in the universe – Hydrogen gas

How is heat produced in the sun? – Nuclear Fusion

How many days does the Moon take to revolve around the earth – 27.3days

If the temperature on the Celsius scale is 27 degrees, what is the temperature in Kelvin scale? – 300K

What is dry ice solid? – carbon dioxide

A boy throws a ball vertically upwards from the ground with some velocity, when the ball reaches the maximum height, what is its final velocity? – Zero

What are Fluids? – liquids and gases

Diamond is made up of which element? – Carbon

What are the examples of precipitation? – rain and snow

Which principle is used to cool the water in earthen pots? –  Evaporation

Which chemical is used in nail polish remover? – Acetone

Which is the lightest metal in the universe- lithium

If a car is moving at a speed of 50 km per hour throughout the journey, what is the acceleration of the car? –Zero

Water and oil can be separated by which process? – Fractional distillation

Protons are made up of which three quarks? – Two ups and one down quark

A plastic ball and an iron ball are dropped from the same height simultaneously, which ball touches the ground first? – both reach at the same time

How does the Planet Earth get its energy? – The Sun

What is the common name for washing soda? – sodium carbonate

Naturally occurring hardest material on the earth is? – Diamond

Which is the lightest gas in the universe? – hydrogen gas

We can change our voice by inhaling which gas? – Helium Gas

How many elements are present in the periodic table?   – 118

X rays were discovered by ?- Roentgen

Tungsten used in filaments of bulbs has an atomic number of? -74

Electrons were discovered by? – JJ Thomson

When metals react with acids, which gas is produced? – hydrogen gas

We often drink carbonic acid in our daily life, what is the common name for carbonic acid- soda water

Green flame produced from fireworks is because of which element? – barium

Flow of electrons or movement of electrons is called as? – electricity

The only Indian physicist to win Nobel Prize in physics for scattering of light is –  Sir CV Raman

Which planet is called as Red Planet?- Mars

Give examples of DC appliances? – torchlight, T.V remote

Which metal is liquid at room temperature? – Mercury

How long does it take for light to reach the Earth from Sun – 8 minutes and 20 seconds

Matter is made up of small indivisible particles called as? – Atoms

Apart from solid, liquid and gases, what is the fourth form of matter? – plasma

What is the fourth dimension according to Einstein’s model of universe? –Time

Which color has the longest wavelength? – Red

Pascal is the unit of?- pressure

Which planet is called morning and evening star? – Venus

Instrument used to measure electric current?- Ammeter

We live in which layer of atmosphere? – troposphere

1 Nanometer is equals to how many meters?- 10 power minus 9 meters

Sun appears red at morning and evening because of?- Scattering of light

Which Scientist named the words positive and negative in electrical charges?- Benjamin Franklin

A Reusable space rocket is called as?- Space shuttle

Sleeping under the tree at night time is dangerous because trees produce some gas, what is the gas? – carbon dioxide

Sound waves cannot travel in?- space or vacuum

Mars has how many moons?- 2

What is the full form of NASA?- National Aeronautics and Space Administration

What is the atomic number of sodium?- 11

What are the three subatomic particles in an atom?- electrons, protons and neutrons

Seasons on the Earth occur due to?- tilt of the Earth

The leaves of the plant appear green in color because leaves reflect some color, what color is it? – green color

Which scientist invented dynamite?- Alfred Nobel

What is the full form of ISRO? – Indian Space Research Organization

What is the speed of light?- 300,000 kilometer per second or 3×108m/s

When the moon comes in between Earth and the Sun, it is called as?- Solar eclipse

Human body is mostly made up of which element- Carbon

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