Force that keeps us anchored to Earth's surface.
The chemical formula for Calcium Hydroxide
Ca(OH)2
The pigment which absorbs sunlight during photosynthesis
Chlorophyll
This scientist is known for developing the laws of motion and universal gravitation.
Issac Newton
Why do we see lightning before we hear thunder during a storm.
Speed of light > Speed of sound
An object at rest will stay at rest and an object in motion will stay in motion.
Newton's First Law
What type of scale is pH. How do we calculate it ?
Logarithmic. -log[H+]
Cells with their genetic material not bound within a nucleus.
Prokaryotic
This physicist is famous for his theory of relativity and the equation E = mc2
Albert Einstein
This gas is commonly used in light bulbs and is responsible for making them glow when an electric current passes through.
Argon
The S.I. unit of measure for electric current
Ampere (A)
Which orbital (s, p, d or f) has 3 probability regions on 3 axes.
What are the four nucleotides (or bases) in DNA.
Adenine, Guanine, Cytosine and Thymine
This scientist is credited with the discovery of penicillin, marking the beginning of modern antibiotics.
Alexander Fleming
This type of energy transformation occurs when you rub your hands together to warm them up on a cold day.
Friction
This curved lens diverges light rays
Concave lens
True or false ? Ionic bonds occur only when an electron transfers from one atom to another.
False, the attraction between oppositely charged ions.
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
This scientist is known for his laws of heredity and is often referred to as the father of genetics.
Gregor Mendel
This common kitchen ingredient can be used to neutralize stomach acid, acting as a base.
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
Copper [II] Sulphate reacts with Sodium Hydroxide to form a precipitate of Copper [II] Hydroxide. Write the balanced equation.
CuSO4 + 2NaOH ---> Na2SO4 + Cu(OH)2 (ppt.)
These organelles self-destruct the cell if it is old or damaged
Lysosomes
This scientist proposed the heliocentric model of the solar system, stating that the Earth revolves around the Sun.
Nicolaus Copernicus
This principle of physics explains how a boat floats and is based on the displaced water's weight.
Archimedes' Principle