Biology
Astronomy
Chemistry
Physics
100

Botany is the study of what life form?

A: Animals.    B: Bacteria.    C: Plants.   D: Plasma


C: Plants

100

The fifth planet from the Sun?


 A: Mars, B: Neptune C: Jupiter, D: Saturn

Answers is C: Jupiter

100

In a solution of saltwater (a saline solution), salt is the:

A: solute.     B: solvent.     C: Colloid.    D: solution


Answer A: solute

Salt is the solute because it dissolves in the solvent (water). In a mixture of two fluids, the solute is present in lesser quantity compared with the solvent.

100

The concept of gravity was discovered by which famous scientist?

A: Einstein      B: Newton.   c: Gailileo.   D:Plato 

B: Isacc Newton discovered gravity in 1665

200

Which Kingdom has the largest number of organisms... 

A: Planet, B: Animal, C: Protist, D: Fungi

The answer is B: Animal which is known to have over 1 million species of animal.

200

What is the first phase of the moon after the New Moon?

A: first quarter   B: Waxing gibbous.    C: Wanning crescent.       D: Waxing crescent


D: Waxing crescent 

200

This is the hardest naturally occurring substance...

 A: emerald B: Calcium C: diamond D: corrundum

What is C: Diamond. Diamond is also one of the most valuable natural substances. Diamonds are crystals formed almost entirely of carbon. Because of its hardness, the diamond is the most enduring of all gemstones. They are among the most costly jewels in the world, partly because they are rare, Only four important diamond fields have been found - in Africa, South America, India, and the Soviet Union.

200

Which muscle in the body can produce the most force for its size?

 A: Masseter - Jaw     B: Quadriceps - thigh 

C:  Abdominals - stomach D: Gluteals - buttocks.

What is A: The masseter in your jaw. When an adult bites down hard, they can exert a force of 90N on their back teeth. That’s like sitting a 90kg weight on your molars!

300

Of the following, it has the longest recorded life span. 

A: Termite, B: Chimpanzee, C: Indian Elephant, D: Freshwater Oyster

What is the Freshwater Oyster (80 years.) The longest recorded life span for a termite is 50 years; for a chimapanzee, 50 years; and for an Indian elephant, 70 years.

300

What two motions do all planets have?

A: Orbit and spin.    B: rotation and spin

C: Orbit and rotation.    d: Revolution and orbit


Answer is C: orbit and rotation
300

Three of the most common states of matter are solid, liquid and gas. A liquid has:

A: a defined volume but not a defined shape

B: a defined shape but not a defined volume

c: a defined volume and shape

D: neither a defined volume or shape

A liquid takes the shape of its container (no defined shape), but has a fairly constant volume (at least compared to a gas). The state of matter of a substance is due to the kinetic energy of its components. With enough energy, atoms and molecules are less strongly bound to each other.

300

This geologic formation may be found overhead if you are in a cave... A: stalactites B: stalagmites C: mightymites D: termites

What is A: stalactites. The ones growing downward are stalactites, the ones growing upward are stalagmites. Stalactites are formed by the deposition of calcium carbonate and other minerals, which is precipitated from mineralized water solutions.

400

How many species are estimated to live on Earth?

A:~  6 million.     B:   ~ 8 million

c: ~ 10 million.    D:  ~ 12 million


B: ~ 8 million different species live on Earth

400

These are the only two planets in our solar system without moons...

 A: Mercury & Venus, B: Venus & Mars, C: Uranus & Neptune, D: Neptune & Pluto

What is A: Mercury & Venus. 

As far as we know, Saturn has the most moons. Saturn has at least 25 satellites that measure at least 6 miles (10 kilometers) in diameter, and several smaller satellites. The largest of Saturn's satellites, Titan, has a diameter of about 3,200 miles (5,150 kilometers) -- larger than the planets Mercury and Pluto.

400

You can't live without iron. Where in the body is most of the iron located?

A: Your brain.      B: Your skin.    

C: Your bones.    D: Your blood


Answer D: your blood.

Most of the body's iron is locked up in the hemoglobin found in red blood cells, used for oxygen transport.

400

The largest hailstone recorded was closest to this object in diameter... A: basketball B: softball C: tennis ball D: golf ball

What is A: basketball. The largest hailstone ever recorded was 17.5 inches in diameter - bigger than a basketball.

500

This living animal has the heaviest brain... A: African Bush Elephant, B: Black Rhinoceros, C: Sperm Whale, D: Human

What is C. Sperm Whales. They have the heaviest brain of any living animal. The average Sperm Whale's brain weighs more than 20 pounds (9 kilograms) which is about 4 times heavier than the average human brain.

500

The planets make up this percentage of the mass in our solar system... 

A: 0.0135 %, B: 0.135 %, C: 1.35 %, D: 13.5 %

What is B: 0.135 % of the mass in our solar system. The Sun dominates, accounting for 99.86 % of the entire solar system's mass.

500

What is the main gas that makes up Earth's atmosphere. 

A: Oxygen, B: Helium, C:Hydrogen, D: Nitrogen

Is D - Nitrogen

500
The first Earth Day was celebrated in this year... A: 1950 B: 1960 C: 1970 D: 1980
What is C: 1970. The first Earth Day was celebrated on April 22, 1970, and has been celebrated each year following on April 22nd. The original purpose of Earth Day was to inspire people to think and act more environmentally. Earth Day falls on or around the birthdays of several environmental spokespersons.