Toda a comunidade

search
2000
1191 - 1200

A "Just Noticeable Difference," or JND, is the smallest detectable difference between a starting and secondary level of a particular sensory stimulus--in other words, the difference between a one doll ...

How exactly does one get bad eyesight? Some say it is by reading so much, which would suggest that people who wear glasses should get better grades. But is that true?Do people who wear glasses tend to ...

Rockets work by way of jet propulsion. The principle behind it is based on Newton's Third Law of Motion: For every action there is an equal and opposite reaction. When a rocket blows out gas at high s ...

Have you ever watched an ice cube melt? The process of water contracting and expanding as it freezes and melts is a fascinating one. Perhaps you’ve noticed that the ice cubes in drinks melt faster if ...

This project theme was selected to observe the concept of dissolving substances and crystal formation.It is an educational content by education.com.By clicking on the title of this resource, you will ...

Determine whether people are more likely to break a rule if it is difficult to follow. The purpose of this experiment is to examine the human tendency to break rules and to find out whether they are m ...

Moisture is tricky. It likes to escape out of tiny holes in a process called evaporation. Plastic wrap is supposed to keep food fresh in the fridge. If you have fruit you would like to save, you proba ...

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences? Find out with this watery project!Does water ripple in differe ...

Determine what kind of light will produce the greatest plant growth, regular light or fluorescent light?It is an educational content by education.com.By clicking on the title of this resource, you wil ...

Find out how butter is made.The purpose of this experiment is to separate cream into butter and buttermilk.It is an educational content by education.com.By clicking on the title of this resource, you ...