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Biology
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Periodic Table
100
It is the most common element in the human body... A: Carbon, B: Hydrogen, C: Oxygen, D: Calcium
What is C. Oxygen. It makes up almost 63% of the average human. Following, are major elements and the percentages of the human body that they represent: Oxygen- 62.81% Carbon- 19.37% Hydrogen- 9.31% Nitrogen- 5.14% Sulfur- 0.64% Phosphorus- 0.63% Other- 2.10%
100

Our solar system contains this many planets.

What is 8?

100
This type of matter has a definite volume but no definite shape... A: Solids, B: Liquids, C: Gases, D: Plasma
What is B: Liquids. Liquids have a definite volume but no definite shape. Because the intermolecular forces are weak in a liquid, it is able to change its shape to conform to its container.
100

Earth's continents were once joined as a single massive supercontinent called this. 

What is Pangaea?

100

This gas is part of the air we breathe and is necessary for life.

What is Oxygen or Nitrogen?

200
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.
200

This planet is the closest to the sun, which is also the name of an element.

What is Mercury?

200

True or False: an electron is positive.

False. Electrons are negative.

200
This type of water weighs the most... A: seawater B: distilled water C: tap water D: none - They all have the same weight.
What is A: sea water. It is loaded with mineral salts and weighs about a pound and a half more per cubic foot than fresh water at the same temperature.
200

This Noble Gas fills most party balloons.

What is Helium?

300

This process is how plants convert carbon dioxide and water into glucose and oxygen.

What is photosynthesis?

300

This man was the first person to walk on the moon.

Who is Neil Armstrong?

300

H2O is more commonly known as this.

What is water?

300

What is the name of the famous fault line that runs through California?

What is the San Andrea Fault?

300

This element, along with Chloride, makes up normal table salt (NaCl).

What is Sodium?

400

The death of an entire species is known as this.

What is extinction?

400

This is the name of the force holding us to the Earth.

What is gravity?

400

True or False: acids have a pH level below 7.

True. 

400

The San Andreas Fault is an example of what type of tectonic plate boundary?

What is a transform boundary?

400

Abundant in certain foods, this element (K) helps get rid of muscle cramps.

What is Potassium?

500

The study of plants is known as this.

What is botany?

500

Sent by the USSR, this is the name of the first satellite sent into space.

What is Sputnik?

500

Matter that does not enter chemical reactions is described as this... A: Inhibited, B: Inert, C: Grounded, D: Radioactive

What is B: Inert. Inert matter does not enter chemical reactions.

500

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.

500

This element comprises 20 percent of the weight of all living organisms?

What is carbon? This element serves as a common element of all known life.