Ancient texts, like Homer's Odyssey, mentions navigating ships by observing constellations. Pupils learn about the link between history and astronomy as they relate to navigation in the Bronze Age. Scholars complete two hands-on...

The big world is full of tiny surprises. Classes discover all things big and small while completing the second lesson of a five-part series comparing macro- and micro-objects. Learners collect items from around the room including things...

In this visual discrimination worksheet, students analyze the two pictures of animals. Students circle the picture in each row that is the smallest. There are 5 questions.

Do the places you have lived influence what you write? Class members research the lives of writers and look for how places these writers have lived might have influenced their writings. 

Students explore things that are their size, literally. In this early childhood lesson plan, students use their bodies for measuring and comparing sizes as they work in pairs to complete the activity.

Young mathematicians put one foot in front of the other as they learn how to measure length in an elementary math lesson. Using paper cutouts of their own feet, children measure classroom objects as they discover the importance of...

The dog is big. The mouse is little. Using vocabulary words introduced in the previous lesson, kids read, or are read, sentences and examine images that contrast big and little.

Learners read about the objects we see in our night and day skies before answering five short answer comprehension questions.

On, over, and under are some very common prepositions; but how can you teach these concepts to children with visual impairments? Here, is one way. Kids will practice following verbal commands as they go on a classroom treasure hunt. They...

A mouse can fall from large heights without injury! Air resistance is a large influence on small falling objects. In an exploratory lesson, young scholars build a raindrop bottle to compare the falling rate of different-sized objects.

For this comprehension exercise, kids read a physical science article about forces that can move an object, and then answer a series of questions about the passage.

Ever wonder why Pluto isn't considered a planet? Or how large the Earth is compared to the other inner planets? Explore the universe with a series of projects that simulate different aspects of our solar system. The activities require...

Don't let your eyes play tricks on you ... use scale to keep your eyes in check! Young scholars observe images without scale and try to identify the structure. Then, they look at the same image with a scale bar and assess whether their...

Youngsters test magnetic strength by measuring the mass of paper clips that they "hook" with a magnet. Your first and second graders should love the hands-on activities associated with this plan. The reproducible materials are quite good...

How in the world can something as big as the solar system possibly fit in your pocket? Complete this simple modeling activity and find out, as young scientists gain an appreciation for the incredible scale of outer space.

Introduce basic Earth and space science to your budding astronauts. This handout works in two ways, the first part provides information about the sun, moon, eclipses, and Earth to be read to or by the class. The second part is composed...

Students use a legend and symbols to identify features on a map.

Sorting big and small objects builds spacial reasoning classification, and visual discrimination skills. Your class will read a story about big and small bubbles, practice identifying big and small objects, then sort big and small balls...

Students use their math skills of sorting and classifying with materials they collect outdoors. In this early childhood math lesson plan, students participate in a treasure hunt to gather item in nature and categorize their finds.

Students make a math book. In this early childhood math lesson plan, students develop language, observation, and math skills as they explore the sizes of objects and use cameras to take pictures for their own math booklet based on...

Middle and high schoolers explore the concepts of architectural rigidity. They analyze a variety of polygons, and explain why some shapes add more strength to structures than others. The PBS video, "Building Big," is utilized in this plan.

Here is a fabulous set of teacher's notes that will make your next hands-on gravity and force lab fun and interesting. These notes provide you with three activities that allow children to make and test hypothesis regarding force,...

First graders examine how to sort concrete objects by their attributes. In this sorting lesson plan, 1st graders listen to Gray Rabbit's Odd One Out by Alan Baker, and discuss the actions of the main character. They practice sorting...

Students explore the concept of big, bigger, and biggest. They examine and classify items by size, listen to and discuss the book "A Pig is Big," complete a fill in the blank activity, and create a tri-fold that illustrates two items...