Science Geek
Metallic Bonding
Introduce your class to metallic bonding with a presentation that covers packing in metals, substitutional alloys, interstitial alloys, and properties of metals.
Science Geek
Ionic Bonding
Here's a presentation that answers the age-old question of the covalent bond to the ionic bond, "Why won't you share?" Included is information about covalent and ionic bonds, the octet rule, ionic compounds, cations versus anions, and...
Science Geek
Covalent Bonding
When it comes to covalent bonds, sharing is caring. Presentation covers the octet rule with multiple examples, Lewis Dot Structures with an example, and resonance. Presentation is the first in a five-part series.
Mr. E. Science
Atoms and Bonding
I don't trust atoms because they make up everything. Budding scientists learn about famous scientists connected to atomic models, chemical, ionic, and hydrogen bonds. The presentation also presents how to count atoms in an equation,...
Virginia Department of Education
A Crystal Lab
Young chemists grow ionic crystals, metallic crystals, and supersaturated crystals in three different lab experiments. Observing these under a microscope allows pupils to compare the various structures.
Science Geek
Valence Electrons
There is a lot of negativity when studying electrons, but this presentation makes the experience more positive by beginning with the definition of a valence electron and breaking down the number of valence electrons by groups on the...
Science Geek
Periodic Trends
If your pupils think Um is the element of confusion, this presentation on period trends can only help. It covers the patterns for atomic radii, ionization energy, and electronegativity across a period and down a group.
Dick Blick Art Materials
“Gawu” — African-influenced Tapestry
Here's a great way to combine environmental science with art. Kids use recycled materials to create their own Gawu, a tapestry made of discards. Although designed for special education classrooms, the activity is sure to engage all...