
8th Grade Science Ohio Semester 1 Final Study Guide
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is feedback in a scientific context?
Back
Feedback is a process where the output of a system influences its own operation, often used to maintain stability or control, such as a thermostat regulating temperature.
2.
FLASHCARD QUESTION
Front
What is half-life in terms of radioactive decay?
Back
Half-life is the time required for half of the radioactive atoms in a sample to decay, indicating the stability and longevity of the element.
3.
FLASHCARD QUESTION
Front
Why is old oceanic crust more dense than new oceanic crust?
Back
Old oceanic crust is more dense because it is cooler, which causes it to contract and become denser than the newer, hotter crust.
4.
FLASHCARD QUESTION
Front
Which planet in our solar system rotates the fastest?
Back
Jupiter rotates the fastest, completing a rotation in about 10 hours.
5.
FLASHCARD QUESTION
Front
Does the law of superposition help determine the absolute age of rock layers?
Back
False. The law of superposition helps determine the relative age of rock layers, not the absolute age.
6.
FLASHCARD QUESTION
Front
What is the scientific method?
Back
The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.
7.
FLASHCARD QUESTION
Front
What are scientific models?
Back
Scientific models are representations of objects, systems, or concepts that help explain and predict phenomena in the natural world.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?