WorksheetsProperty of water
Total questions: 11
Worksheet time: 6mins
What is the chemical symbol of water?
H2O
CO2
O2
N2
Blood functions as a transport mechanism to take nutrients and oxygen to all cells in the body. What property of water allows for this to occur?
Expansion Upon Freezing
Universal Solvent
Cohesive Behavior
Ability to Moderate Temperature
Describe the movement of the water molecules at cold temperatures.
They join together and move slowly
They move very fast and erratically (疯狂的)
Describe the movement of the water molecules at hot temperatures.
They join together and move slowly.
They move very fast and erratically (疯狂的).
Water is a universal solvent because it...
It can be found anywhere
It freezes when it gets cold
floats when frozen 冻结时会漂浮
Dissolves most substances
Which of the following is LEAST likely to dissolve in water?
以下哪个最不可能溶于水？
fats and oils
sugar molecules
salt
all of the substances will dissolve easily in water
Water has high specific heat. Meaning, it takes _____ time to warm up a large amount of water. 水的比热容高，也就是说，加热水需要的时间长/短
long
short
What two elements make up water? 哪两个元素组成了水？
Helium and oxygen
Hydrogen and oxygen
helium and carbon
oxygen and carbon
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature （湖水和海洋温度波动不大）. What is the reason for this phenomenon?
Water is an acid 水是一种酸.
Water is a versatile solvent 水易挥发.
Water is able to moderate temperature.
What property of water causes these tablets to dissolve?
universal solvent
expansion Upon Freezing
cohesive Behavior
ability to moderate temperature
frozen water is called
ICE
LIQUID
HEATING
