a very small thing that can make you sick
germ
What is the first thing Dr. Besser does to help the sick children?
Check them for germs
He solves mysteries.
What did the thief take?
Some expensive items
something that helps solve a mystery
clue
illness
E. coli can go from to .
animals to people
Why did Dr. Besser make a list of the things the sick children and healthy children had eaten?
To find which food was possibly the problem.
How do they know the thief had a partner?
They found shoeprints leading to tire marks.
something used to carry people or things from one point to another
vehicle
a series of things
list
Why did the author write "The Disease Detective"?
To explain how experts can find the reason for a sickness.
They broke in through the window.
The investigator found shoeprints leading to the passenger side of a car. Who helped the thief?
A getaway car driver.
to look at how two or more things are the same or different
compare
likely to cause harm
dangerous
What might have happened in order for the apples to have E. coli?
They touched animal waste.
What does it mean when the author says Dr. Besser looked at the bacteria's DNA and "it showed him that this type of E. coli was dangerous"?
Not every type of E. coli is dangerous.
Why is a strand of hair an important clue?
It has DNA which can be matched to someone else.
moving with your feet
step
someone who has special skills or know a lot about a subject
expert
Why did the apple juice cause the children to get sick? List 3 reasons.
1. The used apples were on the ground
2. The used apples were not washed.
3. The apple juice was not heated.
Why did the author write "At the Scene of a Crime"?
To explain to the reader a crime scene investigator's job
Name three things a crime scene investigator does?
1. Look for clues
2. Take photos of a crime scene
3. Compare crime scene DNA with other people's DNA
the line or course along which something moves
direction