Physics
A ball is thrown straight up. At the highest point, what is its velocity?
0m/s
What organelle is known as the "powerhouse of the cell"?
Mitochondria
What is the most abundant gas in the earth's atmosphere?
Nitrogen
Who is the scientist that formulated the laws of motion and gravitation?
Isaac Newton
Is Haroon a robot?
YES!!! (He pretends to be a human)
Inertia
How many chromosomes do human have normally?
46 (23 pairs)
Which element is found in all organic compounds?
Carbon
The first successful vaccine was created to prevent which deadly disease?
Smallpox
How much work is done if a person pushes against a wall with 50 N of force and the wall doesn't move?
0 Work Done. (Work done = force X displacement) Since displacement is 0, work done is also 0.
What human body organ produces insulin?
pancreas
Tetrahedral
What is the metal discovered in the Bronze Age that, when mixed with tin, created a stronger material for tools and weapons?
Copper
What is the phenomenon that cause objects to appear bent in water?
Refraction
What type of respiration do we perform with lack of oxygen or low oxygen? (mainly after intense exercise or work)
Anaerobic respiration
What gas is produced when an acid reacts with a metal?
Hydrogen gas (H2)
What is the 20th-century project that led to the development of the first nuclear weapons?
Manhattan Project
A 50Kg person is standing on the ground. What is the gravitational force acting on them? (Use g=9.8m/s^2)
490 Newtons (F = mg = 50 X 9.8 = 490 N)
What is the name of the symbiotic relationship where both organisms benefit?
Mutualism
What is the common name for dihydrogen monoxide?
Water
The first human to travel into space in 1961?
Yuri Gagarin