Sunday, April 22, 2018

2nd Grade Science - 4/23/18

https://www.planbookedu.com/s/SV2QP

HOMEWORK:  Due 4/25 in Notebook.

Copy the vocabulary words and definition 

conduction: Heat transfer within or between solid objects.

convection: Heat transfer into or out of fluids.

heat: Thermal energy that flows due to a difference in temperature. Heat flows from hot to cold.

heat transfer: A method by which heat flows (conduction, convection, radiation).

insulation: A material that slows down heat transfer.

radiation: Heat transfer due to packets of energy called photons that can travel through many substances, even empty space.