Science Olympiad Crime Busters 2010-2011

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| By Xsushigirl

Xsushigirl

Community Contributor

Quizzes Created: 3 | Total Attempts: 2,633

Questions: 6 | Attempts: 1,139 | Updated: Mar 21, 2023

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This quiz is for the ones in the Science Olympiad team doing Crime Busters for 2010-2011.

Questions and Answers

1.

How long is this event?
- A.
  
  60 minutes
- B.
  
  1 hour and 25 minutes
- C.
  
  50 minutes
Correct Answer
C. 50 minutes

Explanation
The event is 50 minutes long.

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2.

The bigger the splatter, the ________ _______ was used to make it.
- A.
  
  Less energy
- B.
  
  More energy
- C.
  
  Less aim
- D.
  
  More aim
Correct Answer
A. Less energy

Explanation
The bigger the splatter, the less energy was used to make it. This implies that a smaller amount of energy was required to create a larger splatter. This could be because a larger splatter indicates that the substance was more easily dispersed, requiring less force or energy to achieve a wider spread.

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3.

What are the three groups of fibers?
- A.
  
  Fruit, Fur, and plastic.
- B.
  
  Animal, Vegetable, and man-made.
- C.
  
  Both.
Correct Answer
B. Animal, Vegetable, and man-made.

Explanation
The three groups of fibers are animal, vegetable, and man-made. This means that fibers can be categorized into three main groups based on their source: animal fibers come from animals, vegetable fibers come from plants, and man-made fibers are synthetic or artificial.

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4.

What is DNA made up of?
- A.
  
  Twisted ladders.
- B.
  
  Blood.
- C.
  
  Genes.
Correct Answer
C. Genes.

Explanation
DNA is not made up of twisted ladders or blood. DNA is a complex molecule that contains the genetic instructions for the development and functioning of all living organisms. It is made up of a long chain of nucleotides, which are composed of a sugar, a phosphate group, and a nitrogenous base. Genes, which are segments of DNA, carry the information for specific traits or characteristics. Therefore, the correct answer is genes.

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5.

What is the pH of lemon juice?
- A.
  
  4-5
- B.
  
  3
- C.
  
  6
Correct Answer
B. 3

Explanation
Lemon juice has a pH of 3, making it acidic. The pH scale ranges from 0 to 14, with 0 being the most acidic and 14 being the most alkaline. A pH of 3 indicates that lemon juice is highly acidic, which is why it has a sour taste. The acidity of lemon juice is due to the presence of citric acid, which gives it its characteristic flavor and pH level.

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6.

What are the main three fingerprints?
- A.
  
  Whorl, loop, and arch.
- B.
  
  Whorl, tent arch, and circular.
- C.
  
  Loop, circle, and triangle.
Correct Answer
A. Whorl, loop, and arch.

Explanation
The main three fingerprints are whorl, loop, and arch. Whorl refers to a pattern where ridges form a circular or spiral shape. Loop refers to a pattern where ridges enter from one side of the finger and exit from the same side. Arch refers to a pattern where ridges enter from one side and exit from the other side, forming a wave-like shape. These three patterns are commonly used in fingerprint identification and classification.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Dec 31, 2010

Quiz Created by
Xsushigirl

Science Olympiad Crime Busters 2010-2011

How long is this event?

The bigger the splatter, the ________ _______ was used to make it.

What are the three groups of fibers?

What is DNA made up of?

What is the pH of lemon juice?

What are the main three fingerprints?

The bigger the splatter, the __ _ was used to make it.