Physics
Chemistry
Biology
Famous Scientists
Science in Everyday Life
100

Force that keeps us anchored to Earth's surface.

Gravitational Force
100

The chemical formula for Calcium Hydroxide

Ca(OH)2

100

The pigment which absorbs sunlight during photosynthesis

Chlorophyll

100

This scientist is known for developing the laws of motion and universal gravitation.

Issac Newton

100

Why do we see lightning before we hear thunder during a storm.

Speed of light > Speed of sound

200

An object at rest will stay at rest and an object in motion will stay in motion.

Newton's First Law

200

What type of scale is pH. How do we calculate it ?

Logarithmic. -log[H+]

200

Cells with their genetic material not bound within a nucleus.

Prokaryotic

200

This physicist is famous for his theory of relativity and the equation E = mc2

Albert Einstein

200

This gas is commonly used in light bulbs and is responsible for making them glow when an electric current passes through.

Argon

300

The S.I. unit of measure for electric current

Ampere (A)

300

Which orbital (s, p, d or f) has 3 probability regions on 3 axes.

p orbital.
300

What are the four nucleotides (or bases) in DNA.

Adenine, Guanine, Cytosine and Thymine

300

This scientist is credited with the discovery of penicillin, marking the beginning of modern antibiotics.

Alexander Fleming

300

This type of energy transformation occurs when you rub your hands together to warm them up on a cold day.

Friction

400

This curved lens diverges light rays

Concave lens

400

True or false ? Ionic bonds occur only when an electron transfers from one atom to another.

False, the attraction between oppositely charged ions.

400

This process describes the movement of water across a semi-permeable membrane from a region of lower concentration to a region of higher concentration.

Osmosis

400

This scientist is known for his laws of heredity and is often referred to as the father of genetics.

Gregor Mendel

400

This common kitchen ingredient can be used to neutralize stomach acid, acting as a base.

Baking Soda
500

A car accelerates uniformly from rest to a speed of 20 m/s over a distance of 100 meters. What is the acceleration of the car?

2 m/s2

500

Copper [II] Sulphate reacts with Sodium Hydroxide to form a precipitate of Copper [II] Hydroxide. Write the balanced equation.

CuSO+ 2NaOH ---> Na2SO4 + Cu(OH)2 (ppt.)

500

These organelles self-destruct the cell if it is old or damaged

Lysosomes

500

This scientist proposed the heliocentric model of the solar system, stating that the Earth revolves around the Sun.

Nicolaus Copernicus

500

This principle of physics explains how a boat floats and is based on the displaced water's weight.

Archimedes' Principle