Which of these units in the scientific measurement system is used to measure length?

Science Trivia / August 29, 2025

Meters. Burma, Liberia and the USA are the only world countries that do not use the metric system.

Which of these activities helps keep the air cleaner?

Science Trivia / August 28, 2025

Riding Your Bike Somewhere. People don't realize that cars also contribute to water pollution and bicycling means less water pollution.

What type of lens has a thin middle and makes objects appear smaller?

Science Trivia / August 28, 2025

Concave. A concave lens may be used in eyeglasses to correct short-sightedness.

Which of these is a moon of the planet Saturn?

Science Trivia / August 27, 2025

Titan. Titan is the largest of Saturn's 53 moons.

What device is made of several cells connected in series?

Science Trivia / August 27, 2025

Battery. Batteries convert chemical energy to electrical energy.

What substance, added to fog, makes smog?

Science Trivia / August 26, 2025

Smoke. Much of the smoke in smog comes from the industrial burning of coal.