ALEX Classroom Resources

ALEX Classroom Resources  
   View Standards     Standard(s): [SC2015] (5) 3 :
3 ) Examine matter through observations and measurements to identify materials (e.g., powders, metals, minerals, liquids) based on their properties (e.g., color, hardness, reflectivity, electrical conductivity, thermal conductivity, response to magnetic forces, solubility, density).

[SC2015] (5) 5 :
5 ) Construct explanations from observations to determine how the density of an object affects whether the object sinks or floats when placed in a liquid.

Subject: Science (5)
Title: Water Density
URL: https://aptv.pbslearningmedia.org/resource/arct14.sci.zdensity/water-density/
Description:

Students experiment with density by changing the density of water, in this activity from Zoom. Students will discover that the more salt there is in the water, the denser the water is. Density is one thing that makes things float. 



   View Standards     Standard(s): [SC2015] (5) 5 :
5 ) Construct explanations from observations to determine how the density of an object affects whether the object sinks or floats when placed in a liquid.

Subject: Science (5)
Title: Eco Investigators: Does Air Have Weight?
URL: https://aptv.pbslearningmedia.org/resource/781370ba-c880-4ac1-bc13-e9bd8661c5d8/eco-investigators-does-air-have-weight/
Description:

In this audio clip, students ask the question: Does air have weight? This is a great clip to engage students in a discussion on mass and density. 



ALEX Classroom Resources: 2

Go To Top of page