Colder than Ice

This straightforward activity needs minimal organization and effort to ready however it'll get kids considering scientific reasoning as they simply assume long and a challenge to make a case for the result of the experiment. 

What type of impact will salt have upon the ice temperature? Solely one method to see, offer this colder than ice lesson arrange a go and revel in the outcomes. 

Will salt have an result upon the temperature of ice? 

What you'll would like : 

1. A stopwatch 
2. A thermometer (digital in case possible) 
3. A spoon 
4. A glass rod for stirring 
5. Cups 
6. Salt 

Directions : 

1. Fill a cup nearly to the highest along with crushed ice. 
2. Utilize the thermometer to live the temperature from the crushed ice. 
3. Record the current temperature for comparison later. 
4. Add 5 spoons of salt and combine nicely. 
5. Verify and record the temperature from the ice mixture once each minute during the subsequent hearth minutes. Use your stopwatch to adhere to time accurately. Chart the outcomes into your graph and maybe have a look into what occurred. 

Necessary Queries : 

1. How cold did it get? 
2. How does that compare towards the temperature from the original ice mixture when it had no salt? 
3. What type of result can you assume the salt had for this experiment? Why? 
4. What applications inside the actual world can you assume the outcomes of the experiment might result in?

you can also see the others Fun Ice Activity in Winters