fill in the blank
Define these words
Questions
100

Frozen water __ on water 

Floats 

100

Molecules 

Smallest unit of a element or compound 

100

what is the use of specific heat in water 

helps organisms maintain a constant internal temp 

200

water molecules form __ bonds 

Hydrogen 

200

specific heat 

amount of heat needed to raise the temp of matter 1 degree 

200
How does the density of ice affect aquatic organisms in the winter 

The ice floats to the top and insulates the water so the organisms can survive through the winter 

300

water is a __ solvent 

Universal 

300

Hydrogen Bonds 

the electromagnetic attraction created between a partially positively charged hydrogen atom attached to a highly electronegative atom and another nearby electronegative atom

300

how long can humans survive without food 

only a few weeks 

400

Water has a high specific __

Heat 

400

Adhesion 

the tendency of two or more different molecules to bond with each other

500

ice is less dense than __ water 

Liquid 

500

Cohesion 

the attraction of molecules for other molecules of the same kind