100 200 400 300 400 Asking About Life Scientific Methods Scientific Models Tools and Measurements...
-
Upload
phebe-gilbert -
Category
Documents
-
view
213 -
download
0
Transcript of 100 200 400 300 400 Asking About Life Scientific Methods Scientific Models Tools and Measurements...
100 100
200 200
400 400
300
400
Asking About Life
Scientific Methods
Scientific Models
Tools and Measurements
300 300 300
200
400
200
100
500 500 500 500
100
200200
300300
400400
Misc.
100100
500500
Row 1, Col 1Row 1, Col 1
If you make an observation living thing and then ask a question about what you observed, you are
a. noticing the diversity of lifeb. behaving like a life scientistc. solving a problemd. learning how to protect the environment
b. behaving like a life scientist
1,41,4
An advantage of using the International System of Units (SI) is that it
a. is based on measurements on common body parts.
b. includes easily understood units of measure, such as inches.c. gives scientists a common way to share their results.d. uses different units to measure
mass and weight.
c. Gives scientists a common way to share their information
2,12,1
c. many questions could be asked.
For every organism that has ever lived, a. there is only one question to ask. b. every question has already been asked. c. many questions could be asked. d. every question has already been answered.
2,22,2
A hypothesis isa. a fact,b. a type of question.c. a possible answer to a question.d. an experiment.
c. a possible answer to a question.
3,13,1
Which of the following people is LEAST suited to being a life scientist?
a. Someone who likes sports.b. Someone who has no interest in organisms.c. Someone who goes to school.d. Someone who is very curious.
b. Someone who has no interest in organisms.
3,23,2
A controlled experiment a. has only one variable.
b. has more control groups than experimental groups.
c. has several control groups.d. tests several different factors
at one time.
a. has only one variable.
3,43,4
Which technology would be used to view a person’s internal organs?
a. magnetic resonance imagery (MRI)b. scanning electron microscope (SEM)c. electronic computerd. compound light microscope
a magnetic resonance imagery (MRI)
4,14,1
Which of the following is NOT one of the ways in which the work of a life scientist is beneficial?
a. Helping to fight diseases.b. Studying environmental problems on Earthc. Studying how humans inherit the code that controls their cells.d. Finding out about weather patterns.
d Finding out about weather patterns
4,24,2
A scientist who wants to study the possible sideeffects of a new medicine would probably
a. give each experimental group the same dose of medicine.b. include a control group that received no medicine.c. simply ask the subjects about the medicine’s effects.d. use a different numbers of subjects in each treatment group.
b. include a control group that received no medicine.
4,34,3
What type of model is a method of classifying the behavior of animals
Conceptual model
Which technology would be used to view a person’s internal organs?
4,54,5
How could you find the volume of an irregularly shaped pebble?
Use a graduated cylinder to see how much the water rises.
5,15,1
In which of the following areas of study might you find a life scientist at work?
a. Discovering ways to improve computer- operated robots.b. Studying how wasps could be used to control fire ant populations.c. Studying the relationship between El Nino and increased flooding.d. Researching the paths of comets and meteors in space.
b Studying how wasps could be used to control fire ant populations.
5,25,2
A scientist who wants to study the effects of a newfertilizer on plants would probably
a. give each experimental group the same amount of the fertilizer.b. not worry about measuring the amount of fertilizer used.c. include a control group that received no fertilizer.d. use different numbers of plants in each treatment group.
c. include a control group that received no fertilizer
5,35,3
What is the limitation of all models?
They are different from the real things they are modeling.
5,45,4
Which technology would be used to view the surface of a tiny living organism?
a. transmission electron microscopeb. scanning electron microscopec. compound light microscoped. computerized tomography scan
b. scanning electron microscope