8th Grade Science Quizzes, Questions & Answers

8th Grade

Top Trending Science Quizzes

Space Exploration Quiz: History Of The Cosmos

Explore the pivotal moments in the history of space exploration. This quiz covers key events and figures, from the early orbital missions of animals to significant human spaceflights, assessing knowledge of historical milestones...

Questions: 10 | Attempts: 111 | Last updated: Oct 27, 2025

Sample Question
What were the names of the "stray dogs" that were the first to go into orbit and return alive on board Sputnik 5?

Lisichka and Bars

Belka and Strelka

Dymka and Kozyavka

Albina and Tsyganka

Test Your Science Basics: Science Quiz Bee

The Science Quiz Bee is designed to test your knowledge of scientific concepts, theories, and facts across different fields such as physics, chemistry, biology, and earth science. This quiz challenges your understanding of...

Questions: 15 | Attempts: 36378 | Last updated: Nov 19, 2025

Sample Question
What is the name of the hard rock that forms from loose volcanic ash cemented together?

Tuff

Cinders

Lapilli

Volcanic bombs

What’s Your General Science IQ?

Did you know that an individual blood cell takes about 60seconds to make a complete circuit in the body? Yes, Science can be fun! Answer the questions below and see how much you know and expand on your science knowledge.

Questions: 15 | Attempts: 12069 | Last updated: Mar 21, 2025

Sample Question
Which device holds a phono cartridge?

Cardioid

Armature

Tone Arm

Plate

Chemistry, Physics and Biology

Try not to use the internet for these questions =P (25 questions)

Questions: 24 | Attempts: 5565 | Last updated: Oct 13, 2025

Sample Question
During the neutralization process of base Sodium Hydroxide (NaOH) and acid Hydrochloride (HCl), water (H2O) and what other substance is produced?

Sodium Fluoride

Sodium Chloride

Sodium Hydroxide

Calcium Sulfate

Mercury

Basic Science Test: Quiz!

Do you like researching? Are you curious by nature, who always need scientific proof for every phenomenon? If you fall into this category, then congrats, you're a 'Science lover.' This quiz will test your knowledge of...

Questions: 17 | Attempts: 3651 | Last updated: Mar 21, 2025

Sample Question
A helium nucleus being ejected from the nucleus of an atom can be referred to as:

Alpha Decay

Beta Decay

Gamma Decay

Fusion

Electromagnetic Radiation

Popular Science Quizzes

Grade 9 Science Quiz: Review Key Concepts

Questions: 40 | Attempts: 99376 | Last updated: Jun 10, 2026

Sample Question
When is an atom considered stable?

When it has a full outer valence shell.

When it has the same amount of electrons as protons.

When it has no neutrons.

When it has an odd number of valence electrons.

Middle School Science Quiz

Questions: 10 | Attempts: 5725 | Last updated: Mar 19, 2025

Sample Question
When an unbalanced force acts on an object, the force

Is equal to the weight of the object

Is cancelled by another force

Does not change the motion of the object

Changes the motion of the object

A Fun Quiz On Random Science Facts

Questions: 10 | Attempts: 5417 | Last updated: Mar 21, 2025

Sample Question
Starting in 1887, what was used by miners to extract gold from ore in a process called leaching?

Leaches

Cyanide

Milk

Chlorine bleach

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