Science 101 Trivia: Exam! Quiz

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| By Swasere962

Swasere962

Community Contributor

Quizzes Created: 2 | Total Attempts: 1,910

Questions: 9 | Attempts: 344 | Updated: Mar 18, 2023

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Questions and Answers

1.

What state of matter is ice?
- A.
  
  Solid
- B.
  
  Gas
- C.
  
  Liquid
- D.
  
  Plasma
- E.
  
  New York
Correct Answer
A. Solid

Explanation
Ice is the solid state of water. When water is cooled below its freezing point, the molecules slow down and arrange themselves in a regular pattern, forming a solid structure. In this state, the molecules are closely packed together and have a fixed shape and volume. Therefore, ice is considered a solid state of matter.

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2.

How many natural satellites does Earth have?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
- E.
  
  5
Correct Answer
A. 1

Explanation
Earth has one natural satellite, which is the Moon. The Moon orbits around the Earth and is the fifth-largest satellite in the solar system. It plays a significant role in various natural phenomena such as tides and the stabilization of Earth's rotation.

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3.

The chemical symbol N stands for what element on the periodic table?
- A.
  
  Nickel
- B.
  
  Nitrogen
- C.
  
  Neodymium
- D.
  
  Neptumium
- E.
  
  Nobelium
Correct Answer
B. Nitrogen

Explanation
The chemical symbol N stands for the element Nitrogen on the periodic table. Nitrogen is a nonmetallic element that is essential for life and makes up about 78% of Earth's atmosphere. It is commonly used in fertilizers, explosives, and various industrial processes. The symbol N was derived from the Latin word "nitrogenium" and is used internationally to represent this element.

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4.

A fire needs heat and fuel to burn. What else does it need?
- A.
  
  Water
- B.
  
  Sand
- C.
  
  Wood
- D.
  
  Oxygen
- E.
  
  A fire place
Correct Answer
D. Oxygen

Explanation
Oxygen is necessary for a fire to burn because it acts as an oxidizer, allowing the fuel to undergo combustion. Without oxygen, the fire cannot sustain itself and will eventually extinguish. Heat and fuel are also essential components for a fire, but without oxygen, the fire cannot continue to burn. Water, sand, and a fire place do not provide the necessary oxygen for combustion, so they are not correct answers.

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5.

How many picoseconds makeup one second?
- A.
  
  1
- B.
  
  1,000
- C.
  
  1,000,000
- D.
  
  1,000,000,000
- E.
  
  1,000,000,000,000
Correct Answer
E. 1,000,000,000,000

Explanation
One second is equivalent to 1,000,000,000,000 picoseconds. This is because a picosecond is a unit of time that is equal to one trillionth of a second. Therefore, when converting from seconds to picoseconds, we need to multiply by 1,000,000,000,000.

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1
6.

What is the name of the angle that is greater than 0 degrees but smaller than 90 degrees?
- A.
  
  Right angle
- B.
  
  Acute angle
- C.
  
  Obtuse angle
- D.
  
  Hypothesis Angle
- E.
  
  Left angle
Correct Answer
B. Acute angle

Explanation
An acute angle is the name given to an angle that is greater than 0 degrees but smaller than 90 degrees. It is a type of angle that is smaller than a right angle and larger than a zero angle.

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7.

What is the definition of a hypothesis?
- A.
  
  A educated guess
- B.
  
  Something you use to cook
- C.
  
  A way to measure temperature
- D.
  
  A part of your body
- E.
  
  A way to build a structure
Correct Answer
A. A educated guess

Explanation
A hypothesis is an educated guess because it is a proposed explanation or prediction based on prior knowledge and observations. It is a tentative statement that can be tested and verified through experimentation or further research. A hypothesis is not something you use to cook, measure temperature, a part of your body, or a way to build a structure.

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8.

What is Kinetic energy?
- A.
  
  Stored energy
- B.
  
  Motionless energy
- C.
  
  Energy of Motion
- D.
  
  Energy from the sun
- E.
  
  Energy from the Earth's temperatures
Correct Answer
C. Energy of Motion

Explanation
Kinetic energy is the energy possessed by an object due to its motion. It is directly proportional to the mass and square of the velocity of the object. When an object is in motion, it has the ability to do work and transfer energy to other objects. Therefore, the correct answer is "Energy of Motion".

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9.

Who invented the periodic table?
- A.
  
  Dmitri Mendeleev
- B.
  
  Neil Armstrong
- C.
  
  Hilary Clinton
- D.
  
  Albert Einstein
- E.
  
  Thomas Edison
Correct Answer
A. Dmitri Mendeleev

Explanation
Dmitri Mendeleev is credited with inventing the periodic table. He was a Russian chemist who organized the elements based on their properties and atomic weights, creating a system that allowed for the prediction of undiscovered elements. Mendeleev's periodic table provided a framework for understanding and organizing the elements, and it has been widely used in the scientific community ever since its creation in 1869.

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Current Version
Mar 18, 2023

Quiz Edited by
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Jan 17, 2009

Quiz Created by
Swasere962

Science 101 Trivia: Exam! Quiz

What state of matter is ice?

How many natural satellites does Earth have?

The chemical symbol N stands for what element on the periodic table?

A fire needs heat and fuel to burn. What else does it need?

How many picoseconds makeup one second?

What is the name of the angle that is greater than 0 degrees but smaller than 90 degrees?

What is the definition of a hypothesis?

What is Kinetic energy?

Who invented the periodic table?