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Grade 8 Quizzes, Questions & Answers

Recent Grade 8 Quizzes

Fundamental Geometry Concepts: Lines, Circles, and Spatial Relationships Quiz

Questions: 24 | Attempts: 12 | Last updated: Nov 4, 2025

Sample Question
What is a diagonal?

A curve representing the perimeter of a circle.

A line segment connecting nonconsecutive vertices of a polygon.

A horizontal line within a polygon.

A line segment connecting consecutive vertices of a polygon.

Exploring Human Sensory Receptors and Sensations Quiz

Questions: 30 | Attempts: 12 | Last updated: Nov 10, 2025

Sample Question
What are sensory receptors?

Cells that produce hormones in the endocrine system.

A type of muscle found in the human body.

Organs responsible for filtering blood in the circulatory system.

Is a sensory nerve ending that responds to a stimulus in the internal or external environment of an organism.

Geoscience Fundamentals: Weathering, Soil, and Water Systems Quiz

Questions: 26 | Attempts: 20 | Last updated: Aug 4, 2025

Sample Question
What is weathering?

The wearing away or altering of the surface of rocks and landforms over time due to various influences

The change in temperature, humidity, precipitation, wind, and visibility over a long period of time

The short-term state of the atmosphere including temp, humity, precipiation, wind, and visability

The process of breaking down rocks, soils, and minerals as well as artificial materials through contact with the Earth's atmosphere, biota, and waters

Fundamentals of Probability and Statistical Analysis Quiz

Questions: 3 | Attempts: 50 | Last updated: Aug 4, 2025

Sample Question
Leroy has a number cube with sides labeled 1 through 6. He tosses the number cube 4 times. Each toss results in a 5. What is the likelihood that the next toss will result in a 5?

Students need to make predictions that are based on theoretical or experimental results. For example, the spinner shown has 8 equal sections. The likelihood of the spinner landing on the number 6 is because 4 of the 8 sections are labeled with a 6, or of the circle is marked with 6. Spinning the spinner is an independent event. This means that the outcome of one spin does not affect the outcome of any other spin. For example, suppose that the spinner is spun 3 times and lands on 6 each time. The next time the spinner is spun, the probability that it will land on 6 is still . The spinner landing on 6 for the previous 3 spins does not make it any more or less likely to land on 6 on the next spin.

1/3

1/2

1/4

Understanding the Human Skeletal System and Joint Functions

Questions: 6 | Attempts: 12 | Last updated: Aug 4, 2025

Sample Question
What are the four major functions of the skeleton?

Muscle contraction

Digestion

Respiration

-Shape and support-Protection (The rib cage- Protects heart and lungs. The skull-protects the brain)-Movement (because of joints between our bones)-Blood production (Blood is made in the bone marrow)

Protozoan Puzzler: A Dive into Microscopic Life

Questions: 29 | Attempts: 12 | Last updated: Aug 4, 2025

Sample Question
What is a type of protozoan belonging to the phylum Euglenozoa?

Giardia lamblia

Protozoo Euglenozoo

Plasmodium Falciparum

Trypanosoma Cruzi

U.S. Constitution Amendments and Supreme Court Insights Quiz

Questions: 29 | Attempts: 11 | Last updated: Oct 24, 2025

Sample Question
What does Amendment #1 guarantee?

Right to a fair trial

Freedom of speech, religion, press, assembly, and petiton. Congress can make no law prohibiting all the rights to this amendment

Protection against unreasonable searches and seizures

Freedom of bearing arms

Test Articles of Confederation Knowledge

Questions: 20 | Attempts: 12 | Last updated: Jan 6, 2026

Sample Question
What was the role of the Confederation Congress in the mid-1780s?

Strong central authority

Ceremonial body

Met to amend Articles

Military command

Advanced Rubik's Cube PLL Solving Techniques Quiz

Questions: 7 | Attempts: 16 | Last updated: Aug 4, 2025

Sample Question
What is the algorithm for performing the Aa case in Rubik's Cube notation?

X' R' D R' U2 R D' R' U2 R2

R U R' U' R' F R2 U' R' U' R U R' F'

R U R' U' R U2 R' U' R U' R' U2 R U' R' U R

F R U' R' U' R U R' F' R U R' U' R' F R2 U' R' U'

Understanding Mechanical Waves and Sound: Properties and Types

Questions: 29 | Attempts: 130 | Last updated: Dec 3, 2025

Sample Question
What is a mechanical wave?

A sound wave produced by a speaker.

The light wave emanating from the sun.

An electromagnetic wave used for communication.

Is a wave that is an oscillation of matter, and therefore transfers energy through a medium.

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