Science Experiments

Posts Tagged ‘water temperature’

Hypothesis of this Effects of water temperature science experiment

The same amount of water takes up more space when it is frozen.

Effects of water temperature Science Experiment Procedure

• Fill an empty soup can with water. (Be careful of sharp can edges.)
• Set the can in a small bowl, and place it in the freezer section of a refrigerator. The bowl will catch any water that might spill from the can.
• Add more water if necessary so the water level in the can is at the very top.
• Leave the can of water in the freezer overnight.

In this science experiment, the quantity of water is being held CONSTANT, and the temperature is our VARIABLE.

• Take the can of ice out of the freezer in the morning.

The volume of water that fit into the can when it was a liquid is now too big for the can. The ice has risen above the top of the can because of the expanding water and its push against the bottom of the can.

Results & Conclusion of the Effects of water temperature science experiment

Write down the results of your science experiment. Come to a conclusion as to whether or not your hypothesis was correct.

For bonus science fair experiment point

Now that you have experimented on water to find out what water does when frozen, you can conduct another similar science experiment to find out how much more volume the ice takes up than it did as a liquid by using displacement.

Hold the can tightly to melt the ice slightly around the edges of the can so the ice will come out as one block. Dip the block in a container of water and measure the water that it displaces.

This section of Science Experiments deals with effects of water temperature change. The effects of water temperature science fair experiment is one of the very simple home Science Experiments. 

Purpose of this science experiment 

The purpose of this science experiment is to explore expansion of water. 

What happens when water freezes? why does water expand when it freezes? why does water expand when frozen? 

Does water expend or contract under different temperature? All these Science Experiments questions are often asked. Below is the Science Experiments that will show the effects of water temperature on water. 

The concept of expansion and contraction of water and other metals

Many things (including water) expand or contract when they change temperature. Have you ever noticed, when standing by a railroad track, why there are gaps in the rails at certain intervals? The spaces in the rails allow them room to “grow,” in case they expand; otherwise, the rails would buckle. Track engineers know exactly how big the gaps should be to allow for this rail expansion. 

If you have electric baseboard heat in your home, you may have heard the crackling sounds it makes when the metal fins heat up or cool down. That’s because the fins are expanding and contracting. Gaps in the roadway of bridges are also there to allow for expansion and contraction from temperature changes. 

Equipment you will need for this science fair experiment

In this effects of water temperature science experiment, you need 

empty metal soup can

water

use of a freezer

small bowl