Gold has a higher density than tin? True or false

Sunlight shines through a window. What happens to most of the light that strikes the window? Question 4 options: It is reflected. It is absorbed. It is refracted. It is scattered.

What type of radiation was discovered coming from all regions of space?

Do gamma rays have lower or higher frequency than microwaves

Which of the following is an important part of scientific methods? A. using calculators B. Teaching others C. Traveling to different places D. Making hypothesis

An electric generator transforms mechanical energy into electrical energy this process could be done by which of these

If an object-spring system is hung vertically and set into oscillation, why does the motion eventually stop?

What is the unit measurement for pain relief tablets and is it SI units Or English system?

Which best describes convection? It relies on the collision of particles within or between substances. It occurs in solids, liquids, or gases that are heated. It results when portions of a liquid cool and rise.

A 384 m long train is moving on a straight track with a speed of 77.3 km/h. The engineer applies the brakes at a crossing, and later the back of the last car passing the crossing with a speed of 19.5 km/h.

If a girl is standing in front of a smooth surface from which a sound is reflected the girl may hear