AP Test Prep
College Board

2015 AP® Computer Science A Free-Response Questions

For Students 10th - 12th
AP exams don't have to be a mystery. Scholars look at the free-response questions for the 2015 AP Computer Science A exam. They get a chance to see actual AP questions involving one- and two-dimensional arrays of integers and the design...
AP Test Prep
College Board

2016 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
The College Board published the mean score on the 2016 AP Chemistry exam as a 2.69, but a minimum of a three is required to earn college credit. Help pupils study for the upcoming exam with actual test questions, sample answers, and...
Interactive
Cold Spring Harbor Laboratory

One Gene Makes One Protein

For Students 9th - 12th Standards
Very few universities still offer a master's degree in the ecology of grasses, but that was the degree that led George Wells Beadle to an interest in genetics and later a Nobel Prize. Scholars learn about the discoveries of Dr. Beadle...
Interactive
Cold Spring Harbor Laboratory

DNA Responds to Signals from Outside the Cell

For Students 9th - 12th Standards
How do cells know when to replicate, transcribe, and stop? James E. Darnell, Jr. shifted from studying medicine to biochemistry and decided to address this mystery. Learn about his research, discoveries, and the impact on future medical...
AP Test Prep
College Board

2013 AP® Statistics Free-Response Questions

For Students 10th - 12th Standards
AP® exams don't need to be shrouded in mystery. The 2013 AP® Statistics free-response questions are available for instructors to reference. It includes questions on mean, standard deviation, normal distribution, confidence intervals,...
Worksheet
Curated OER

Poetry Analysis Sheet

For Students 9th - 12th
Tasking class members to analyze a poem can strike fear into the hearts of many learners. Here's a worksheet that takes the mystery out of the process by providing questions about what to look for in the text and to the devices poets use...
Interactive
PHET

Function Builder

For Students 8th - 12th Standards
Build confidence about functions with the function builder. Pupils learn about functions and transformations using an interactive. A function machine transforms pictures, numbers, and equations based on a function rule. A mystery...
Lesson Plan
1
1
Purdue University

The Case of the Pilfered Pin: A Measurement Inquiry Activity

For Teachers 3rd - 4th
Who pilfered the pin? Scholars practice measurement skills as they solve the mystery of a stolen pin. They measure length, temperature, and mass and determine which of select suspects committed the crime. During the STEM hands-on...
Lesson Plan
EngageNY

Grade 5 Math Module 1, Topic F, Lesson 15

For Teachers 5th Standards
Remainders don't need to remain a mystery. The 16th of 18 parts in Grade 5 Math Module 1 continues the study of dividing decimals by a whole number. Scholars see how to rename the remainder to a smaller unit, such as when dividing 1.7 or...
Lesson Plan
3
3
American Chemical Society

Identifying an Unknown Liquid

For Teachers 5th
Liquids are what's the matter with the lesson! Learners investigate properties of different liquids as they interact with various types of paper. They then use their observations to identify a mystery liquid to finish the sixth lesson in...
Lesson Plan
3
3
American Chemical Society

Using Dissolving to Identify Substances

For Teachers 5th
It's time to test observation and dissolving skills! After investigating the process of dissolving in previous lessons, pupils see if they can use their dissolving skills to identify substances. They dissolve known and unknown substances...
Activity
PBS

Sink or Swim?

For Teachers 3rd - 8th
What's with all the numbers on plastic products? Learners complete an in-depth analysis of the physical properties of the different plastic types. They connect the properties of the plastics to uses and test their observation skills by...
Lesson Plan
1
1
University of Florida

Six Bits of Abiotics

For Teachers 9th - 12th
Collect clues and unwrap a mystery in an intriguing study about air pollution and urban forests. Teams share information to explore abiotic interactions and forest health. Scholars create a concept map using newly acquired knowledge and...
Instructional Video1:24
PBS

Genome 101: Life's Instruction Manual | UNC-TV Science

For Students 5th - 12th
Crack open the mysteries inside a genome. Participants view an animated video describing the relationship between DNA, genes, proteins, chromosomes, and an organism's genome. A post-video worksheet allows pupils to apply knowledge by...
Lesson Plan
PBS

Curious George: Five Senses

For Teachers Pre-K - 1st
Curious scholars make like Curious George and use their five senses to identify mystery objects. After a brief discussion, learners watch an engaging Curious George video in preparation for an activity. Scholars visit three tables that...
Activity
University of California

Migration of Early Humans: Evidence and Interpretations

For Teachers 6th Standards
While much of prehistory is cloaked in mystery, ancient ancestors left evidence in DNA, languages, and materials from their time. Using photographs of items such as cave paintings and ancient tools, as well as maps of linguistic patterns...
Interactive
DocsTeach

What is Patent Number 1,693,515?

For Students 4th - 8th
Scholars examine a document from 1928 featuring a mystery invention. Following their observations and discussion, the document reveals the invention of the permanent wave machine by Marjorie S. Joyner. Class members read about Joyner,...
Lesson Plan
EngageNY

Grade 12 ELA Module 1, Unit 2, Lesson 3

For Teachers 12th Standards
How does an author sequence events in a narrative so that the events build on one another and create a tone of mystery, growth, or resolution? As part of a study of narrative writing, class members work in pairs to examine the techniques...
Lesson Plan
Curated OER

River of Venom

For Teachers 5th - 8th
Read an exciting science mystery about killer bees online, evaluate a list of clues, and try to answer the questions correctly. The story responds to the reader's choices and presents research material for the next step. Though the...
Lesson Plan
Curated OER

Get In Touch With Trees

For Teachers K - 1st
Students feel tree parts inside of 3 mystery boxes. Then they go outside and find the 3 trees the parts came from. They draw their favorite tree including details of the part they felt.
Lesson Plan
Curated OER

Who Done It?

For Teachers 9th - 12th
Pick and choose which activities to include in this crime scene investigation. Junior detectives can examine fingerprints, DNA, blood samples, or bone structure.  The plan suggests you have teams solve a mystery, but it does not...
Lesson Plan
Curated OER

Illinois On Tour

For Teachers 8th
Eighth graders participate in the Illinois Mystery Activity (from the ENTICE materials) to study additional interesting facts about Illinois. Using the DNR poster "Illinois' Natural Divisions" and printed materials from ENTICE, 8th...
Lesson Plan
Curated OER

Think of an Ending

For Teachers 4th - 7th Standards
Good endings are hard to find. And write. This, the final lesson plan in a six-part series devoted to study of the ingredients of a good story, focuses on crafting endings. Class members draft ideas about what should happen to each of...
Lesson Plan
Curated OER

Harriet The Spy

For Teachers 4th
Fourth graders investigate the style of diary writing as its own genre of literature. They read Harriet The Spy in order to have a text for this literature study. Students use the skill of prediction to preview the story, and then...

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