Science Chapter 1
Chapter 1 test - the world of life
- 1.Life science can be studied
- A.
In the forest
- B.
In Space
- C.
On a Farm
- D.
In the Ocean
- E.
All of the Above
- 2.Which of the following is NOT essential to life science?
- A.
Asking Questions
- B.
Giving Lectures
- C.
Making Observations
- D.
Being Curious
- E.
Forming Hypotheses
- 3.The scientific method
- A.
Is used by all scientists in exactly the same way
- B.
Is strict and rigid, without much room for creativity
- C.
Is a series of steps used to answer a question
- D.
Is accurate only if each step is done in the official order
- 4.A controlled experiment
- A.
Keeps things from getting too dangerous
- B.
Tests only one factor at a time
- C.
Is a practice or "warm up" experiment
- D.
Doesn't allow much creativity
- 5.A scientific theory is:
- A.
Well supported by many observations and experiments
- B.
Usually just a scientist's best guess
- C.
A hypothesis that has not yet been tested
- D.
A hypothesis that has been proven incorrect
- 6.Which of the following SI units would you use to measure the weight of a rat
- A.
Kg
- B.
Mm
- C.
Liters
- D.
Yards
- E.
Pounds
- 7.If you wanted to examine a living person's brain tissue, you would use:
- A.
A CT or MRI scan
- B.
A transmission electron microscope (TEM)
- C.
A computer
- D.
A compound light microscope
- 8.To find the volume of an object, you would
- A.
Multiply length and width
- B.
Multiply length, width and height
- C.
Measure how much fluid the object displaces
- D.
Either B or C
- 9.The amount of matter that an object is made of is called its
- A.
Area
- B.
Surface area
- C.
Volume
- D.
Mass
- 10.After making an observation, the study of life science usually begins with a simple
- 11.The one factor that differs in a controlled experiment is called the
- 12.The measure of how much surface an object has is called its
- A.
Volume
- B.
Mass
- C.
Area
- D.
Weight
- 13.The measurement of the average energy of an object is called
- A.
Temperature
- B.
Mass
- C.
Volume
- D.
Area
- 14.What causes scientific knowledge to change?
- A.
When experiments are done wrong
- B.
When conclusions of a controlled and tested hypothesis prove something new or different
- C.
When two different scientists do different experiments
- D.
When the president says so
- 15.Why do scientists try to test many individuals in a group experiment?
- A.
To have more fun
- B.
To get a lot of different opinions
- C.
To be certain difference are caused by the variable and not by the differences in individuals
- D.
The more organisms tested, the more certain scientists can be of the data
- E.
Both C and D
- 16.What are the three types of scientific models?
- A.
Physical, Visual and Tactile
- B.
Conceptual, Mathematical and Scientific
- C.
Mathematical, Conceptual and Physical
- D.
Simple, Complex and Futuristic
- 17.What is a scientific law?
- A.
A summary of many experiments' results and observations
- B.
A statement of what WILL happen in a specific situation
- C.
A statement of what you think will happen in a specific situation
- D.
Both A & B
- 18.What is technology?
- A.
Electrical models of experiments
- B.
The application of science for practical purposes
- C.
The creation of spreadsheets
- D.
A way to look at tiny objects
- 19.If you want to view something that is not living in a 3D image, you would use:
- A.
Compound Light Microscope
- B.
Transmission Electron Microscope
- C.
Scanning Electron Microscope
- D.
A magnifying glass
Back to top