Making Hypotheses

Four lessons introduce elementary ecologists to salt marsh and sandy beach habitats. In the first activity, they place shells and other materials in vinegar to determine if they contain calcium carbonate. In the second activity, they...

When astronauts get hungry in outer space, they can't just call and have a pizza delivered. In order to gain an appreciation for the challenges associated with space travel, young learners are given the task of selecting, testing, and...

Trying to plan a physical science unit on forces and motion? Make your work a little easier with this comprehensive collection of simple machines resources. Offering a wide variety worksheets, activities, and projects, these materials...

Young investigators conduct an experiment using the scientific method. They see how many drops of water fit on a coin; have them conduct several different trials. This involves making a hypothesis, looking at controls, and introducing...

What do lemurs do best? They move! Lemurs like to jump, run, hop, and climb and it's your class's job to document seven fun lemur behaviors. The class starts by discussing why lemurs are considered primates, and then they isolate seven...

You may not be able to take a field trip to the moon, but that doesn't mean your class can't study moon rocks. Using graham crackers as the moon's bedrock and powdered donuts as micrometeorites, young scientists simulate the creation of...

Encourage your students' inner scientist by conducting experiments and recording their findings. This printable incorporates every part of the scientific method into an easy-to-read outline of experimental questions, research,...

Students record changes in an ecosystem. In this science lesson students make a hypothesis about changes in a terrarium. They record their observations. The students conduct an experiment to test their hypothesis.

Blow your learners' minds with a sweet lesson on nanotechnology that uses sugar to demonstrate the difference nanoscale surface area makes in dissolving and crystal formation. Plenty of supportive background information is read to...

Students make and test predictions about pumpkin seeds. Using real pumpkins, they predict whether larger pumpkins have more seeds than smaller pumpkins, collect and count the seeds, and record the data on a worksheet.