Theory Backgrounds | Page 2
Browse 202+ Theory Backgrounds to download free for any screen
You are looking at 202 Theory Backgrounds. Use one for a video call, a webinar backdrop or a recorded talk. You do not need an account to save one. Keep scrolling — the collection runs deeper than the first screen.
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A glowing geometric crystal with a red circle center on a gradient background. -
Cozy study desk with books laptop candle and latte -
A thermometer pointing to high temperatures against a bright sunburst background. -
Circular blue graphic with icons representing science and education themes. -
Human hand holding robotic hand in futuristic lab with digital displays. -
Diagram illustrating Newton's gravity law with apple tree on Earth and moon above. -
Cozy study desk with laptop coffee and notebooks for focused work. -
Dark silhouette of a person with afro hair against teal background with glowing yellow spots. -
Science education center banner with lab tools and atomic symbols. -
Diverse crowd facing a large Earth globe with DNA symbols on a red background. -
The word science made from science-themed icons like DNA and moon. -
Two people assembling a mechanical heart with gears and clocks. -
Silhouettes of heads with colorful abstract brains representing diverse thoughts and concepts. -
Microscope examining a green specimen on a glass slide in a lab. -
Bold geometric shapes in teal orange and red on textured paper. -
Hands holding a phone with a glowing digital network of user icons. -
Community transitioning from pollution to renewable energy with wind turbines and solar panels. -
Business team collaborating with digital network icons and globe overlay. -
Satellite orbiting Earth at night with glowing city lights and starburst illumination. -
Scientists explore a glowing coral-like structure with giant hands reaching toward them. -
Abstract geometric pattern with soft pink blue and orange shapes on beige background. -
Abstract geometric wallpaper with colorful triangles in red blue and pink. -
Scientist in lab coat holding tablet and touching glowing molecules. -
Two students conducting a chemistry experiment with test tubes and goggles. -
Geometric dog and butterflies drawn in a bullet journal with pens nearby. -
Abstract geometric pattern with colorful triangles in warm and cool tones. -
Abstract geometric wall with glowing red edges and blue surfaces -
Abstract geometric mountain scene with colorful polygonal shapes and bare tree branches. -
Geometric fish pattern made of teal and brown triangles on white background. -
Science-themed graphic with icons like microscope and DNA strand. -
Students wearing safety goggles work together in a science lab with test tubes. -
Nine science logo icons with teal and black line art. -
Science doodle illustration with lab equipment and formulas -
A scientist working at a desk inside the light cone of a large microscope. -
Two researchers in protective gear working in a laboratory with safety cabinets. -
Educational diagram showing labeled geometric shapes in primary colors. -
Abstract artwork with geometric shapes and vibrant colors -
DNA helix wrapped around science books in a colorful space scene with planets and stars. -
Popular Science magazine logo in bold black letters on light gray background. -
Black and white geometric pattern with interlocking zigzag lines. -
Child's hand pointing at popsicle stick geometry with colorful hexagon number block. -
Sunlit desk with open notebooks coffee glasses and phone for studying -
A colorful flat illustration of science tools and symbols for educational purposes. -
Close-up of a scientific microscope in a lab setting. -
Tangram puzzle cards with colorful geometric shapes forming animals and objects. -
Stacked study materials with highlighted notes and a laptop on a desk. -
Abstract artwork with overlapping colorful geometric shapes on black background -
Black and white geometric circle pattern on textured paper. -
Glowing virus particles with molecular structures floating in a gradient background. -
Black and white geometric circle pattern with optical illusion effect. -
Black geometric lines forming triangles on white background -
Blue geometric shapes labeled in a grid for educational use. -
Study setup with chemistry notes, tablet, and iced drink on a desk. -
Children in tie-dye shirts look up at a giant Earth globe in a science museum. -
Blue brain inside head silhouette being scanned by MRI machine with floating shapes. -
Glowing golden circuit board shaped like a brain with lit nodes on dark background. -
Bold geometric pattern with shapes stripes and dots in blue red and yellow. -
Glowing green DNA strand surrounded by chemical formulas in a dark digital space. -
Abstract blue and teal circular design with halftone patterns and gradient effects. -
Starship flying near a planet and moon in space - Next page
Showing 61–120 of 202 wallpapers
Frequently asked questions
Are these Theory Backgrounds landscape or portrait?
Landscape and portrait sit side by side. Of these, 14 are vertical and 46 horizontal. Grab whichever proportion suits the device in your hand.
How many Theory Backgrounds are available to download?
202 Theory Backgrounds are available right now. More are added on a rolling basis. None of them are behind a paywall.
Is anything held back on these Theory Backgrounds?
No fee at any size. No stamp, no logo, no reduced-quality preview.
Are there related collections to Theory Backgrounds?
You might also want colorful, background, the big bang theory, cast. Every one has its own selection.
