Heat, light and sound

The most common way to heat a solid is:

• conduction

• convection

• radiation

It is --------------- in a top bunk bed than on a bottom bunk bed because of convection heating

• softer

• hotter

• colder

Tags

NGSS.MS-PS1-4

The biggest source of radioctive heat is the

• Sun

• Earth

• moon

sound waves travel ------------------ in cold water than in the warm water.

• faster

• deeper

• slower

Tags

NGSS.MS-PS4-2

Dolphins and Bats use -------------- to judge where objects are

• refraction

• echolocation

• molecules

Refraction occors when light

• Dims

• Bends

• Disappears

Tags

NGSS.MS-PS4-2

For understing of the concept join

• https://meet.google.com/hgo-nzzz-cns

• or

• https://meet.google.com/ppb-ssis-fuo

Tags

NGSS.1-PS4-4