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by BlastRoom
Students order electromagnetic spectrum regions and connect them to properties, uses, and safety.
#us_grade_7_science
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
On the electromagnetic spectrum, which region lies right next to visible light on the shorter-wavelength side?
Which region of the electromagnetic spectrum has a lower frequency than visible light but a higher frequency than microwaves?
A student lists ultraviolet, X-rays, and gamma rays by increasing photon energy. What order is correct?
A model shows wavelength gets longer as you move from visible light to infrared to microwaves. In that direction, what happens to frequency?
Radio waves, microwaves, and infrared are compared in a lab chart. If they are ordered from shortest wavelength to longest wavelength, what is the order?
A spectrum strip runs from low photon energy on the left to high photon energy on the right. As you move to the right along the strip, what happens to wavelength?
A hospital machine makes an image of bones because its radiation passes through soft tissue more easily than bone. What spectrum region is the machine using?
A kitchen oven heats food by making water molecules in the food absorb electromagnetic waves with centimeter-scale wavelengths. What region is being used?
A thermal camera shows warm people brighter than cool walls because objects at room temperature emit invisible radiation just beyond red light. What region is detected?
A radio station broadcasts music using electromagnetic waves with very long wavelengths that can travel around buildings and over long distances. What region carries the signal?
A doctor uses radiation given off by radioactive materials to destroy cancer cells deep inside the body. What spectrum region is this radiation?
Two electromagnetic waves travel through empty space. The bottom wave has a shorter wavelength than the top wave. What is true about the bottom wave?
A microwave and a visible-light wave both travel through a vacuum. How do their speeds compare?
A visible red wave and a visible violet wave are compared. Violet light has shorter wavelength. What else is true?
A gamma ray and a radio wave are both electromagnetic waves. What property is much greater for the gamma ray?
Infrared light and ultraviolet light are both invisible to human eyes. Compared with infrared, ultraviolet has what property?
A TV remote sends flashes of infrared light to a television. Why can't the person holding the remote see the flashes?
A student wears sunscreen at noon because sunlight includes radiation that can damage skin cells. What spectrum region is the main safety concern?
A dentist places a heavy apron on a patient before taking an image that can pass through body tissue. What region is being blocked for safety?
An airport body scanner uses millimeter waves, a type of microwave, instead of X-rays. What makes this a safer choice for scanning people?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Static Charge and Electric Current
20 questions
