2nd Semester Final- Physical Science DLP

An example of heating by conduction is:

• the sun shining

• xray

• walking in the snow

• touching a hot stove

__ always moves from a warmer object to a colder object

• heat

• water

• wave

• fire

__ is the temperature at which energy cannot get any lower.

• totally freezing

• zero degrees

• absolute zero

• absolute kelvin

The sun heats by __.

• convection

• photosynthesis

• energy

• radiation

Water boils at 100 degrees __.

• fahrenheit

• celcius

• heat

• energy

Any material that energy cannot be easily transferred through.

• conduction current

• heat transfer

• conduction

• insulator

Even in objects that exist below ___, particles are moving and have kinetic energy.

• melting

• hot

• freezing

• ground level

When a wave bounces back after it hits a boundary.

• frequency

• diffraction

• refraction

• reflection

A large wave has a long ___.

• wavelength

• constructive

• droppler effect

• source

Waves travel fastest through ___.

• solids

• molecules

• liquids

• gases