Science
Electromagnetic waves are classified based on frequency and ____________
What is Wavelengths
The youngest grade-level who may join the Lego League Challenge
What is 4th grade
Marie Curie was a Polish Physicist who is credited for discovering this chemical element with the symbol Ra
What is Radium
Step of design process where group discussion produces ideas and ways of solving a problem
A. criteria B. research
C. brainstorming D. analyzing
What is brainstorming (c)
This word describes different organisms living in an ecosystem.
what is Biodiversity