Advanced Placement / Biology

BLAST Bioinformatic

In this activity, students employ the same tools used by research scientists all over the world: online databases that allow comparison of DNA...

Advanced Placement / Biology

Population Genetics

Students use class data for the PTC (phenylthiocarbamide) tasting trait to derive allele frequencies for a population. Based on their phenotype...

Advanced Placement / Biology

Mathematical Modeling of Evolution

Students work with a mathematical model and computer simulation to explore how inheritance patterns and gene frequencies change in a population....

Advanced Placement / Biology

Animal Behavior

Students test the response of fruit flies to different stimuli and determine if there is a significant change in their behavior. They do this...

High School / Chemistry

Experimental Variables

How do we understand relationships between variables in an experiment?

High School / Chemistry

Investigating the Temperature scale

How are the Fahrenheit and Celsius temperature scales related?

High School / Chemistry

Density of a Solid

How can you determine the density of solid materials in order to identify the substances?

High School / Chemistry

Density of a Liquid

What is the density of water?

High School / Chemistry

Chemical Formula

How can you represent the elements in a compound?

High School / Chemistry

Pure Substances and Mixtures

How can the physical characteristics of a mixture be used to separate individual, pure substances?

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