Students investigate why cells divide. In this cell size lesson plan, students observe how far a solution travels into 3 different size model cells of agar. They answer questions about the most effect movement of "nutrients" into the...

Students explore techniques used to filter water and different pollutants. In this prevention of water pollution lesson plan, students define water pollution and list ways water is polluted. They explore water purification and complete a...

Students identify items made in Jamestown and draw conclusions about their economy. In this Jamestown economy lesson, students use the internet to complete a worksheet which required them to look at photographs of goods made in and...

Students explore plastics and what plastics students use to pack a lunch. In this plastics lesson plan, students observe each other pack lunches and take note of all the plastics used in packing the lunch. They discuss the impact of...

Students explore how an archaeologist works and makes discoveries. In this archaeology lesson, students participate in a simulation in which they excavate broken pottery. Students use measurement, geometry, and observation skills during...

In this recognizing the number nine worksheet, learners observe a circled number nine in the middle, with circles of nine objects surrounding it. Students count 6 sets.

In this recognizing squares, circles, and triangles worksheet, students observe a drawing of a building and count and record the number of each geometric shape. Students write 3 answers.

In this recognizing a square, ovals, rectangle, and triangle worksheet, students observe boxes containing various shapes and follow the directions to identify and color each specific shape. Students color 8 shapes.

In this comparing numbers from one to twenty worksheet, students observe numbers in groups of four boxes, compare the numbers, and color each box with the largest number. Students color 4 boxes.

For this comparing numbers from one to ten worksheet, students observe groups of four boxes, compare the numbers, and color each box with the greater number. Students solve 6 problems.

In this comparing weights worksheet, students observe sets of three objects and number them from lightest to heaviest. Students solve 9 problems.

In this Earth's magnetic poles worksheet, students read about the changes observed in Earth's magnetic field and the possible geomagnetic reversal of the north and south magnetic poles. Students answer 5 questions about the reading and...

In this identifying differences worksheet, students observe clip art and subtract two-digits, three-digits, and four-digits numbers from five-digits numbers with regrouping. Students solve 15 problems.

For this identifying differences worksheet, students observe clip art and subtract thee-digits and four-digits numbers from four digits with regrouping. Students solve 15 problems.

In this working with a partner instructional activity, students observe four job advertisements from a newspaper with missing parts in each ad and communicate verbally to discover the missing sections, and fill in the blanks. Students...

In this chemical reactions worksheet, students experiment with reactions between 4 different metals with water, acid and air. Students make observations of copper, iron, zinc and magnesium with water, acid and air. They write an analysis...

In this buffer solution worksheet, students experiment with the addition of different solutions to a buffer solution and observe the changes in pH using a pH probe. Students describe the differences among the addition of pure water and...

In this oxidation reaction worksheet, high schoolers covert ethanol to ethanoic acid using a condenser. Students test the smell of the final product, they add sodium carbonate and they test the product with indicator paper. They explain...

In this recognizing words that have rhyming patterns learning exercise, students observe nine illustrated words and write three words that rhyme with each of them. Students write 27 answers.

In this recognizing items that use electricity worksheet, learners observe pictures of objects, cut them out, and paste them in either the square for Uses electricity or the square for Doesn't use electricity. Students categorize 12 items.

In this identifying the energy used by objects instructional activity, students observe pictures of household items and write the words move, heat, light, or sound to tell their energy source. Students write 12 answers.

In this recognizing categories of plants and animals worksheet, students observe illustrated names of plants and animals and separate them into two groups and then separate them into six groups. Students write 28 short answers.

Learners explore momentum. In this physics lesson, students perform an experiment in which two balls are released on slanted boards while learners observe which ball will go the farthest and the fastest. Students define and explain...

Learners create a river. In this water flow lesson, students predict how they think their river will flow and then construct a river box. Learners create a landscape for the river to flow through, let the river flow and record...