At the Crime Scene
Who do crime scene investigators do?
They look for clues to catch a criminal.
What did the children eat that made them sick?
apple juice
Find the true statement.
1. Dr. Besser is an expert in strange illnesses.
2. Dr. Besser knew many of the doctors at the hospital where the children were sick.
3. Dr. Besser first made a list of what the sick children ate.
4. Dr. Besser could not help the sick children.
1. Dr. Besser is an expert in strange illnesses.
Ms. Lauren is a cool detective.
Ms. Lauren is a cool teacher.
All science investigators look for clues to...
solve a mystery.
Who do crime scene investigators help?
the police
Why was Dr. Besser called to help the six sick children?
He is an expert in strange disease.
Find the true statement.
1. Crime scene investigators work closely with doctors to solve mysteries.
2. Crime scene investigators find that footprints are often the best type of evidence found at a crime scene.
3. Hair can be used to study DNA.
4. Fingerprints are important because they are so pretty.
3. Hair can be used to study DNA.
Dr. Besser is an amateur in strange illnesses.
Dr. Besser is an expert in strange illnesses.
The crime scene investigator from the passage did not find the following evidence: ...
blood
According to the passage, what are two types of evidence that can be left behind from a person's body?
Fingerprints and hair
Why did Dr. Besser have to test the DNA of the E. coli found in the children?
To determine if that strain of E. coli was dangerous
Find the true statement.
1. Ms. Lauren is the world's greatest detective.
2. Crime scene investigators usually only study the crime scene for a short period of time.
3. Fingerprints are generally not helpful in solving a crime.
4. Footprints at a crime scene may help the investigator determine whether the criminal had a partner or not.
4. Footprints at a crime scene may help the investigator determine whether the criminal had a partner or not.
Dr. Besser studied the E. coli's shape to determine whether it was dangerous or not.
Dr. Besser studied the E. coli's DNA to determine whether it was dangerous or not.
It is important to clean fruits and vegetables before eating them to...
kill bacteria that could make people sick.
Why are fingerprints a better evidence than footprints?
Every person has a unique set of fingerprints. We can compare them with a computer database to find a match.
What two things did Dr. Besser notice at the factory where the apple juice was produced?
1. The apples that fell on the ground were not washed before being used.
2. They did not heat the apple juice before selling it.
Find the true statement.
1. Most strains of E. coli cause disease.
2. E. coli are animals that can often make humans sick.
3. E. coli is typically found in fish and cheese.
4. E. coli can move from animals to humans.
4. E. coli can move from animals to humans.
Hair is important evidence because every person has a unique hair color.
Hair is important evidence because it contains DNA.
It was important that Dr. Besser compared the list of food the sick children ate with a list of food the healthy children ate to...
determine which food could have contained the harmful E. coli.
What are three thing the crime scene investigator was able to determine from the footprints found at the scene of the crime?
1. Whether the criminal was a man or woman
2. About how tall the criminal was
3. Whether the criminal had a partner or not
In order, list four steps that Dr. Besser took to solve the mystery of the sick children.
1. He studied their bodies to find germs (bacteria).
2. He tested the DNA of the E. coli to determine if it was harmful.
3. He made a list of what the sick and healthy children ate.
4. He went to the place where the apple juice was made to find how they made the juice.
Find the true statement.
1. Dr. Besser's skills helped him solved one of the biggest robberies in the world.
2. It is likely that the crime scene investigator from the passage will catch the criminal.
3. It is not likely that the crime scene investigator from the passage will catch the criminal.
4. Crime scene investigators and disease detectives have nothing in common.
2. It is likely that the crime scene investigator from the passage will catch the criminal.
Crime scene investigators find that footprints and broken glass are some of the best evidences that could help to catch a criminal.
Crime scene investigators find that fingerprints and hair are some of the best evidences that could help to catch a criminal.
The crime scene investigator from the passage will most likely help police catch the criminal because...
he found solid evidence like hair and fingerprints.