All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. Also in: Dutch | French | Hungarian | Spanish

Students will learn about the different types of bridges and how they work.  The lesson also includes a maker component where the students build a bridge. 

In this video segment adapted from ZOOM, the cast shows how the 34 steps in their Rube Goldberg invention use everything from gravity to carbon dioxide gas in order to accomplish one simple task: pouring a glass of milk.

In this video segment from ZOOM, Jillian explains how her simple machine uses marbles, levers, flowing sand, and a spinning wheel to water a plant.

In this video segment from PEEP and the Big Wide World, children make a dam with dirt, sticks, and stones to try to stop the flow of water.

How do you build a tunnel 32 miles long -- under water? This video segment adapted from Building Big, follows the construction of the Channel Tunnel (nicknamed "Chunnel"), the engineering wonder that connects England to France.

This unit consists of five lessons covering buoyancy and engineering boats. Each lesson includes goals, anticipatory set, learner objectives, guided practice, procedure instructions, closing activities, and extensions. Student handouts and worksheets are also included.

Lesson 1: Intro to Buoyancy
Lesson 2: Engineer a Barge
Lesson 3: Intro to Sails & Motion
Lesson 4: Engineer a Sailboat
Lesson 5: Final Vessel

NGSS: 3-5-ETS1-1, 3-5-ETS1-2, 3-5-ETS1-3

Lesson 1 materials: empty 2-liter bottles with tops cut off, pennies or other coins, marble, modeling clay, crap wood, rocks, pingpong ball, golf ball, popsicle stick, paper clip, scale, other object for floating or sinking
Lesson 2 materials: for each student - 12" x 12" piece of aluminum foil, 4 popsicle sticks, 2 straws, 12" masking tape; teacher pre-setup - enough pennies for testing (500 pennies per group), pool filled 2/3 with water
Lesson 3 materials: string/yarn, 1/2 straw for each student, 2 different types of paper (tissue & white copy paper), tape, scissors, fan, wooden skewers, 2 popsicle sticks per student, rulers, protractors, stencils.
Lesson 4 materials: 8 popsicle sticks, 1 wooden skewer, 1 straw, masking tape or duct tape, tissue paper or copy paper
Lesson 5 materials: same as Lesson 2

This problem-based learning module is designed to master the Ohio Learning standard of Science in Earth and Space Science number 2, Cycles and Patterns of Earth and the Moon. Thermal-energy transfers in the ocean and the atmosphere contribute to the formation of currents, which influence global climate patterns. Students will be exploring the various factors affecting the climate patterns we experience due to thermal energy. Students will work independently as well as with a partner. The final product is expected to be presented to their peers and teachers. This blended module includes teacher-led instruction, student-led stations, real world data analysis and technology integrated investigations.

In this demonstration, the teacher will use a potato and hydrogen peroxide to generate oxygen in a closed environment. Students can then observe its effects on a burning wooden splint and on burning steel wool. They will understand that a large amount of energy can be released by the process of oxidation. As an extension, the teacher can discuss how the appearance of oxygen (produced by cyanobacteria) in Earth's early atmosphere initially resulted in the formation of large deposits of iron oxide (Banded Iron Formations) and then aided in the evolution of more complex life forms.

This video excerpt from NOVA’s Making Stuff: Cleaner and accompanying demonstration introduce students to the production and importance of bioplastics, or plastics made from plant or animal products.

In this lesson, students will learn about bees and their connection to agriculture. Includes activity instructions, variations, and exentsion activities.

NGSS: 2-LS2-2

Common Core: RL.1.1, RI.7, SL2.5

Social Sciences: K.11

Time: 45 minutes

This is a site where educators can dialog on CA NGSS, share resources, and collaborate.

Il existe de nombreuses façons de dispenser des médicaments dans l’organisme, dans un but ciblé et spécifique. Jusqu’à présent, on a pu identifier environ 500 structures moléculaires servant de cibles aux médicaments.

Fifth Grade Science curriculum used and maintained by the Utah Board of Education

Physical, Earth, and Life Science for fourth grade. Used and maintained by the Utah State Board of Education

This illustration gives you the detailed information on classification of chromatographic methods. Chromatographic methods had 3 main types that is based on stationary, stationary phase format & mobile phase.

Philip N. Cohen gives an overview of the scientific information ecosystem in the context of COVID-19, with an emphasis on the role of preprints.

CREATES is a set of 6 steps that help learners read and critically analyze scientific papers. The CREATES method, pioneered by Dr. Sally Hoskins, has a demonstrated positive impact on undergraduate students' self-confidence in scientific reading, as well as in their general perceptions of and beliefs about science and scientific thinking (Hoskins, et. al, 2017).

The new CREATES site, created in collaboration with Jordan Moberg Parker, UCLA's Director of Undergraduate Laboratory Curriculum and Assessment in Microbiology, Immunology, and Molecular Genetics, uses interactive media, step-by-step directions, and detailed annotation of authentic examples to guide students through the process.

Do you know how many calories are in a macadamia nut? This video segment highlighting a Calorimetry experiment will give you the answer.