Exploring Physiology with SPARKvue® on the iPhone®
Biology

Exploring Physiology with SPARKvue® on the iPhone®

PASCO’s intuitive SPARKvue software is now available for phones, making it even more convenient for your students to explore the world around them.Have you read the “Health Wise” column in NSTA’s January 2015 issue...

Sunlight Intensity and the Albedo Effect
Earth Science • Environmental Science

Sunlight Intensity and the Albedo Effect

In the environment, light intensity and temperature are related. However, due to the reflective properties of different surfaces on the Earth (called the albedo effect), the degree that light intensity and temperature are...

Forces of Attraction
Chemistry

Forces of Attraction

Valentine’s Day is just around the corner and attractive forces are on everyone’s mind. In science, a general rule is “opposites attract.” In solution chemistry, there is another saying, “like dissolves like.”Although...

“Like Dissolves Like,” But How Much?
Chemistry

“Like Dissolves Like,” But How Much?

After introducing the concept of “like dissolves like,” sensors can be used to quantify how much solute is dissolved in a solution.Conductivity is a great tool for quantifying the amount of particular types of solute...

Impulse of a Rocket Engine – Area Under a Force Curve
Physics

Impulse of a Rocket Engine – Area Under a Force Curve

Thrust curves for model rocket engines are a great way to explore impulse. While every student has everyday experiences with impulses, they are less familiar with the mathematical concept and resulting units of N’s. Analyzing force curves using real data

Jack-O'-Lantern Inquiry
Life Science • Physical Science

Jack-O'-Lantern Inquiry

Fall is a great time of year to study the nutrient cycle. And with many of your students carving pumpkins, there will be no shortage of materials to observe. All you will need to start are a few pumpkins, cameras, CO2 and...

Don't Be Afraid of the Glow in the Dark!
Chemistry

Don't Be Afraid of the Glow in the Dark!

Fall is in full swing and Halloween is approaching. It’s the time of year for glowing ghosts, ghouls, and… science experiments!Things that appear to glow are luminescent. Luminescent materials are literally “cool”...

Newton’s Second Law
Physics

Newton’s Second Law

Consider the below system that includes massless string and a frictionless pulley. The weight of the mass and hanger over the pulley causes the system to accelerate. Deriving the relationship is straightforward, and with...