Teodora's science blog

Guiding Question: What are the phases of the moon?  Why do they occur? Procedure: For the model, place the flashlight about one meter fro...

Guiding question: How does the tilt of Earth’s axis affect the light received by Earth as it revolves around the sun? Hypothesis: I think ...

How does the use and study of waves affect societal well-being? Waves help society in many different ways, directly and indirectly. In my o...

Irradiation of food is used for making food last longer, by getting rid of all the harmful bacteria and the contaminated particles from insi...

What is noise pollution? There are many types of pollution in the world, and all of them negatively affect us, as well as animals, plants an...

The sound lab Guiding question: How does the density of a material affect the properties of sound travelling from a tuning fork? Hypothesi...

This lab was supposed to help us determine how changing amplitude and frequency can change the sound percieved. We paired up with someone el...