Curated OER
The Mystery Box
Students design a mystery box to hold an object related to the timeline of life studies. In this timeline of life lesson, student play a game with fossils and other remnants of past times and guess the era it comes from.
Rainforest Alliance
Get in Touch with Nature
Take a trip to the Colombian rainforest through the sense of touch. Here, class members discover what's inside a mystery box: wood, cinnamon, Brazil nuts, a banana, and orange. Then, the class takes a trip outside for a tree rubbing...
Coloring Squared
Snowman—Practice Multiplication
What has a carrot nose, wears a scarf, and is made out of snow? Looks like you'll have to solve the multiplication facts to figure out the colors of each box that makes up this multiplication color-by-number worksheet.
KOG Ranger Program
A Place to Call Home
Lots of animals live in the forest, and some are easier to spot than others! Locate 12 animals and their preferred habitats within the forest with an engaging worksheet. After learners fill in the correct animal for each area, they...
Florida Center for Reading Research
Phonological Awareness: Phoneme Isolating, See It-Sound It
Working pairs, early readers put their hands into a mystery box, pull out an item, then name and identify its initial phoneme. 
Curated OER
Mystery In the Attic
In this spelling worksheet, students view sentences with the title of Mystery in the Attic and choose which word is spelled incorrectly in each sentence and edit it. Students do this for 12 sentences.
Curated OER
Mystery Box
Students explore why scientists use models to help them explain things that cannot be seen.  For this predictions lesson students make a prediction based on observations and collected evidence.
Curated OER
Math Maven's Mysteries
In these story problem worksheets, students read the story problem 'The Case of the Hatcher Hotel Heist' and use the information within the story to help them solve the problem. Students use addition and subtraction to find the next room...
Curated OER
Regarding the Fountain: Questioning Strategy—Cubing
Look deeper into the text with a reading strategy based on asking critical thinking questions. While reading Reading the Fountain by Kate Klise, learners think of questions that help them describe, compare, associate, analyze,...
Nuffield Foundation 
Observing Water Moving Through Plants
We know plants assist in the water cycle, but how do plants get water from the ground into the air? Through a series of demonstrations or labs, scholars observe the movement of water through plants. They microscopically view the cells...
Curated OER
Probing Under the Surface
Eighth graders use a measuring stick to determine the shape of the inside of the bottom of a box, then apply their knowledge to an additional situation.  This task assesses students' abilities to make simple observations, collect and...
Curated OER
The Stone Boat Mystery
Students design and execute a lab through which they study the distinctions between density, buoyancy, and volume.
Curated OER
Harriet The Spy
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...
Curated OER
Spelling Worksheet
In this spelling worksheet, students read sentences from the book Mystery in the Attic and choose which word is spelled incorrectly and then correct it. Students complete this for 5 sentences.
NOAA
Technology II
Ping, ping, ping. The last installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program explores technology use in marine studies, such as sonar. Activity involves simulating sonar techniques to identify a...
Curated OER
Mystery : Structure of the Atom-A Case for Indirect Evidence
Students investigate the structure of the atom through hands on activities. For this atomic structure lesson, students perform 4 activities showing indirect evidence of the structure of the atom and the parts of the atom. They also list...
Curated OER
In and Out Function
Third graders examine how to solve in and out function problems, or mystery numbers.  They analyze a variety of mystery number problems together and extend the patterns.  Students then independently complete a Mystery Number activity...
Curated OER
Motel of Mysteries
Students determine that even though inferences are based on observations that does not mean they are always true or correct. They pull the topics and main ideas out of a piece of difficult text.
Curated OER
Solve the Mystery Photo
Young scholars observe a mystery photo and use descriptive language to solve the mystery. For this descriptive language lesson, students use scientific observation to figure out a mystery photo. Young scholars rationalize their thoughts...
Curated OER
Spelling Assessment
In this spelling worksheet, 3rd graders solve three riddles. Each riddle contains three clues for two pictured words. The first two riddles refer to words with the same vowel sound. The third requires students to apply the same spelling...
Curated OER
"Mummies--The Great Cover Up"
Young scholars wrap their mummy, use canopic-style jars for the preserved chicken organs and design and decorate a sarcophagus. They collect data by weighing, measuring and graphing their "mummy" and its organs.
Curated OER
Fair Trade: Raising the Profile
Seventh graders participate in different activities as they plan for a fair trade display or event. They design wordsearches and act out scenerios dealing with fair trade practices. They also brainstorm a list of items hat are fairly...
Montana Natural History Center
Studying Grassland Ecosystems
At first glance, grassland ecosystems might seem dull and uninteresting, but once you start to explore it's amazing the things you'll find! Through this series of engaging lessons, activities, and experiments, elementary students examine...
Curated OER
Video Viewers
In this video viewers learning exercise, 3rd graders solve 2 word problems dealing with watching videos, read and analyze 4 clues in order to fill in a chart correctly involving 5 people and the types of videos they watch.