Crime Busters Georgia Science Olympiad

Quiz
•
Science
•
5th Grade
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary purpose of chromatography in the Crime Busters event?
To separate mixtures into individual components
To measure the pH of a solution
To determine the boiling point of a liquid
To identify the density of a solid
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following substances is commonly used as a solvent in chromatography?
Water
Ethanol
Acetone
All of the above
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the context of Crime Busters, what is the role of a reagent?
To act as a catalyst
To react with a specific substance to produce a visible change
To increase the temperature of a reaction
To decrease the pressure of a system
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the significance of the Rf value in chromatography?
It indicates the purity of a substance
It helps identify substances based on their movement on the chromatography paper
It measures the acidity of a solution
It determines the solubility of a compound
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a common method for collecting evidence in a Crime Busters investigation?
Fingerprint analysis
DNA sequencing
Gas chromatography
All of the above
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the main difference between a physical and a chemical change?
A physical change alters the chemical composition
A chemical change is reversible
A physical change is reversible
A chemical change does not alter the chemical composition
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an example of a chemical change?
Melting ice
Burning wood
Breaking glass
Dissolving sugar in water
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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