What’s on the The Electromagnetic Spectrum poster
A 7-row table: Wave · Wavelength · Used for.
All of these are the same kind of wave. Only wavelength differs.
- Radio — longest — broadcasting, wifi
- Microwave — long — cooking, phones
- Infrared — medium — heat, remote controls
- Visible — tiny — the only part we see
- Ultraviolet — small — sterilising, sunburn
- X-ray — very small — medical imaging
- Gamma — smallest — cancer treatment
Shorter wavelength means higher energy. That is why X-rays and gamma rays are dangerous and radio waves are not.
Questions about the The Electromagnetic Spectrum poster
- What’s on the The Electromagnetic Spectrum poster?
- A 7-row table: Wave · Wavelength · Used for. All of these are the same kind of wave. Only wavelength differs. Radio — longest — broadcasting, wifi; Microwave — long — cooking, phones; Infrared — medium — heat, remote controls; Visible — tiny — the only part we see; Ultraviolet — small — sterilising, sunburn; X-ray — very small — medical imaging; Gamma — smallest — cancer treatment. Shorter wavelength means higher energy. That is why X-rays and gamma rays are dangerous and radio waves are not.
- Who is the The Electromagnetic Spectrum poster for?
- The Electromagnetic Spectrum is filed under 8th Grade (ages 13–14), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting science, and to the parent or teacher answering the question at the kitchen table.
- When should you use the The Electromagnetic Spectrum poster?
- Read it left to right: wavelength shrinks, frequency and energy rise. A wall chart earns its place by being glanceable from where the work is happening, so The Electromagnetic Spectrum belongs on the wall where that science work actually happens, within glancing distance, rather than filed away.
- What other posters go with The Electromagnetic Spectrum?
- Alkali Metals, Alkaline Earth Metals and Mitosis and Meiosis sit alongside The Electromagnetic Spectrum in the 8th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Alkali MetalsAlkaline Earth MetalsMitosis and Meiosis
- Is the The Electromagnetic Spectrum poster free to download and print?
- Yes. The Electromagnetic Spectrum downloads as a free PDF with no account, no email and no watermark, like everything else in the 8th Grade set. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the The Electromagnetic Spectrum poster print at?
- The Electromagnetic Spectrum is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of The Electromagnetic Spectrum loses nothing.Printing guide
Related posters
Charts that sit alongside The Electromagnetic Spectrum on the same wall.
Browse every 8th Grade poster, or start from the full catalogue.