What Happened to the Marshmallow?

Lesson Plan | August 2020

Mountaintop Fossil

Lesson Plan | June 2021

The purpose of this assessment probe is to elicit students’ ideas about mountain formation. The probe is designed to determine whether students recognize that some mountains are formed from the uplift of Earth’s crust…

What Happened to Our Celery?

Lesson Plan | May 2020

Why Does Population Size Change?

Lesson Plan | March 2020

Why is the African Elephant Population Changing?

Lesson Plan | August 2020

How do people build muscles if they are not eating muscle proteins? (Playlist Version)

Lesson Plan | July 2022

Why Does Some Food Disappear?

Lesson Plan | August 2020

How Can We Use Data to Predict the Length of a Shadow?

Lesson Plan | April 2021

Why Does the Green Crab Love Climate Change?

Lesson Plan | January 2021

What exactly are proteins and how are the proteins we make different from those we eat? (Playlist Version)

Lesson Plan | July 2022

How Does Some Corn Pop?

Lesson Plan | July 2020

Why Does the Ocean Turn Turquoise?

Lesson Plan | July 2020

What makes muscle proteins so different from other proteins in our body? (Playlist Version)

Lesson Plan | July 2022

Is It a Rock? (Version 2)

Lesson Plan | December 2022

The purpose of this assessment probe is to elicit students’ ideas about an Earth material, rocks. The probe is designed to determine whether students can distinguish between humanmade, “rocklike” materials and…

Needs of Seeds

Lesson Plan | June 2021

The purpose of this assessment probe is to elicit students’ ideas about seeds. The probe is designed to find out what students think most seeds need to germinate.