Seventh Grade Mid-Term Study Guide
Name:______________________________ Date:___________ Period:______
**Please use your study guide and textbook to answer the following questions.
You also need to read the following six chapters in your textbook prior to the midterm.
I. Nature of Science-NOS and Chapter 1
A. What is science?
B. Describe Scientific Inquiry –
C. Define Scientific Theory –
D. Define Scientific Law –
E. Can scientific theories be changed? Why or why not?
F. Why do you use a control group?
G. Describe the difference between a dependent and an independent variable?
H. Why is it important to use models in science?
I. What are the standard steps, in order, of the scientific method?
J. Why is it important for scientists to be able to replicate the data from other scientists? How
do they communicate their information to other scientists?
K. What is an experiment? What are some other ways to do science?
Why should they be repeated?
II. Earth Science- Chapters 2, 4, 5, 6
A. What are convection currents?
In which layer of the Earth do you find convection currents?
How do convection currents help with the rock cycle?
B. What are the layers of the Earth? Give a description of each.
C. Explain how density affects the layers of Earth.
D. Describe the 3 types of rock and the processes they go through in order to change into
other types of rock.
E. What role does heat play in the rock cycle?
F. What is the Principal of Superposition and what does it state about rock layers? (see pg. 90)
G. How does earthquake data support the theory of plate tectonics?
H. What happens at a fault?
I. Describe the Theory of Plate Tectonics. What scientist proposed that the continents
changed position over time?
J. Describe the process that occurs at a mid-ocean ridge.
What is created at mid-ocean ridges? What theory was proven by the discovery of the mid
K. What do both volcanic eruptions and fissures have in common?
L. Where do most earthquakes occur?