Could You Still Pass Middle School Science?


Image: Shutterstock

About This Quiz

We all remember middle school science, right? Or maybe not. In this quiz, we're going to test your knowledge of the basics that we should all know. If you pass, at least you'll know that you're as smart as a 7th grader.

Which of these is not an organ of the body?

An organ is a part of the body with a specific function. Bone is part of the skeletal system.

Gravitational force applies to _________.

All masses, no matter their size, have a gravitational force. Even an apple has its own gravitational pull.

Acceleration is _________?

Acceleration is the scientific term for an increase in speed. This is a part of the study of physics.

Each species resides in its own ______.

A habitat is an area where a species resides. Each species prefers its own kind of habitat.

A galaxy is a collection of _____ ?

A galaxy is a collection of stars. Some of those stars are orbited by planets. Our galaxy is the Milky Way!

Humidity is the measure of _____ in the air.

Humidity is the measure of moisture in the air. This measure is represented as a percentage.

Galileo was among the first to use which invention?

Galileo was among the first to use a telescope to study the stars. He built his own, adding some improvements. He was an Italian astronomer and mathematician.

Invertebrates lack which of these?

Invertebrates do not have a spine. The animals of the earth are classified as either vertebrate or invertebrate.

What is the first element in the periodic table?

Hydrogen is the first element in the periodic table. There are 118 elements in the periodic table.

Atmosphere is an envelope of ____ surrounding a celestial body.

The atmosphere is made up of gases. Every celestial body has its own atmosphere.

Biology is the study of ______.

Biology is the study of life. Biology encompasses the study of heredity, evolution, environmental issues and more.

Diffusion is matter's ability to do what?

Diffusion is the scientific term for matter's ability to disperse. Matter moves, and that's a good thing.

What sort of animals have fur?

Mammals have fur or hair. They are warm-blooded, and they produce milk to feed their young.

What is anatomy?

Anatomy is the study of body structure. The knee bone is connected to the thigh bone....

The hydrosphere is the watery layer of what?

The hydrosphere is the watery layer of the earth's surface. Sometimes clouds are considered to be part of this layer.

A hybrid has how many genetic backgrounds?

A hybrid is the offspring of parents with two different genetic backgrounds. Hybridization happens often in agriculture.

Our immune systems protect us from what?

The immune system is designed to protect us from foreign substances. When pathogenic organisms enter the body, there is an immune response.

In chemical reactions, substances are changed into _________.

Chemical reactions are defined by substances changing into something new and different. Chemistry is like magic, in that regard.

Chlorophyll is necessary for which process?

Chlorophyll is in plants. This chemical is crucial for photosynthesis, whereby plants turn sunlight into food.

Chromosomes contain what?

Chromosomes are the building blocks of DNA. Everyone has a unique pattern of chromosomes.

What is the center of an atom or cell?

The nucleus is the center of an atom or cell. Organisms are made up of many cells.

What is radiation?

Radiation is the act of spreading outward. It can be the spreading outward of materials or chemicals.

Climate is the cycle of _______.

Climate is the cycle of weather. Climatologists are the scientists that study weather.

The scientific method tests ______.

The scientific method is the process by which you test a hypothesis. This is the fundamental scientific testing method.

When something rusts, what process has taken place?

Rust forms when iron and oxygen combine, producing iron oxide.. Oxidation is an important process of chemistry.

What is the smallest particle of an element?

The atom is the smallest particle of an element. Elements are made of countless atoms.

What sort of scientist was Louis Pasteur?

Louis Pasteur was a French chemist and biologist. His studies led to the invention of pasteurization.

The circulatory system of the body moves what?

The circulatory system is responsible for moving blood and lymph throughout the body. The system includes the heart, lungs, veins and arteries.

A compound is comprised of what?

A compound is two or more chemical elements that are bound together. Chemical compounds make up our world!

What do you call the impartial view of a system?

Observation is the impartial view of a system. Scientific observation is an important process.

Visible light is made of what?

Visible light is carried electromagnetic radiation, along with radio waves, infrared waves, and more. Different wavelengths produce different colors.

Bacteria have how many cells?

Bacteria are single celled organisms. They usually exist together in large groups.

A solution is a mixture that is _______.

A solution is a mixture that is homogenous. Solutions are important for the study of chemistry.

The male sperm cell is called a male _____ ?

The scientific term for a male sperm cell is a male gamete. Men produce many sperm cells in their bodies, and the production is continuous.

What is the colorless material that makes up the living part of a cell?

The living parts of a cell - including the cytoplasm and nucleus - are made of protoplasm. Cells are the basic units of most living things.

About HowStuffWorks Play

How much do you know about dinosaurs? What is an octane rating? And how do you use a proper noun? Lucky for you, HowStuffWorks Play is here to help. Our award-winning website offers reliable, easy-to-understand explanations about how the world works. From fun quizzes that bring joy to your day, to compelling photography and fascinating lists, HowStuffWorks Play offers something for everyone. Sometimes we explain how stuff works, other times, we ask you, but we’re always exploring in the name of fun! Because learning is fun, so stick with us!

Explore More Quizzes