In this fossils worksheet, students are given a bag of fossils mixed with non- fossils. They are to determine which category each item belongs to and give a reason. They answer questions about how they determine fossils from non-fossils.

Students discuss the salt marsh. They define the following terms: habitat, water, land and air. Students work in small groups. They are asked why are they going to a salt marsh? Students discuss whose habitat is it at the salt marsh.

In this science worksheet, students use basic scientific concepts to complete the series of puzzles that are intended to increase science literacy and focusing upon plate tectonics.

Students explain how the earth makes fossils and how dinosaur remains become fossils. In this Bringing Dinosaurs Back to Life instructional activity, students solve paleo-puzzles which ask students to solve problems as if they were...

In this electrical circuit worksheet, students answer a series of 4 open-ended questions with schematics about audio control in stereos. This worksheet can be printed and the answers are available on-line.

In this physics worksheet, students construct an electric circuit based on specific requirements. They complete 48 short answer questions related to the circuit.

For this electrical circuit worksheet, students answer a series of 11 open-ended questions about BJT amplifiers and how to troubleshoot these circuits. This worksheet is printable and the answers are revealed online.

In this physics worksheet, students design and build an electrical circuit using LED as a light source. They complete 2 short answer questions about their design.

In this physics instructional activity, students answer 4 short answer questions on protective relay circuits. They explain how differential relay works.

In this physics instructional activity, students solve and write short answers to 15 questions on segment decoder circuits. They interpret and analyze schematic diagrams and answer questions that follow.

Students explore shipwrecks. In this forensic lesson, students watch a video about a shipwreck and how scientist use forensics to answer questions about the ship. They research and report about a shipwreck from the teacher's approved list.

Students as a class create a fountain using both coke soda, and mentos candy. In this science instructional activity, students test which combination of coke and mentos products produce the tallest fountain. Students use the scientific...

Students are asked to recount their greatest hopes and fears concerning DNA. One article states how worthwhile gene manipulation in plants can be. Classroom discussions arise after reading one article on this issue.

Young scholars read a text about blood groups and answer such questions as what, where and why regarding a scientific discovery. They complete vocabulary worksheets, comprehension exercises and utilize problem solving skills to decide...

Students use a mathematical simulation of genetic drift to answer questions about the factors that influence this evolutionary process. They run a series of simulations varying allele frequency and population size and then analyze their...

Students share ideas about how scientists know about dinosaurs, then read a news article about the recently found remains of a hadrosaur. In this dinosaur lesson plan, the teacher introduces the article with a class discussion and...

Students participate in a pre-reading activity, then read a news article about the breeding of transparent frogs. In this biology and current events instructional activity, the teacher introduces the article with a question and a...

Students read a story called Irwin's Death Draws Attention to Stingrays and answer vocabulary and comprehension questions about it. In this stingray lesson plan, student respond to literature by answering questions, recalling details,...

In this scientific method worksheet, students answer questions about the various steps of the scientific method. They distinguish between the variables in an experiment and between a hypothesis and a theory.

Fourth graders explore properties of bubbles. In this lesson about bubbles, 4th graders perform an experiment. Students analyze the properties of bubble making substances and surface tension. Students create a square bubble. Students...

Eighth graders investigate polymers and their structures. For this polymers lesson, 8th graders perform 6 activities to learn about polymers and their molecular structure. They categorize a bag of items as polymers and non-polymers based...

Students experiment with electricity to understand lightning. In this lightning lesson plan, students show how static electricity causes lightning. Students discuss questions about their experiment and gather important facts. Students...

In this circuits activity, students answer eight questions about different types of circuits, grounding cables to reduce electric shock, circuit breakers and locking and tagging a disconnect device.

In this ohmmeter worksheet, students are given ten questions about circuits and and the resistance in those circuits. They explain how an ohmmeter is used and answer questions about different wire systems and their resistance.