Fourth graders are introduced to a spring scale to show that the forces on both sides of the pulley are the same. They break into groups to lift objects with fixed pulleys and with multiple looped pulleys and then measure the force...

Students demonstrate the attraction of small pieces of paper to a charged plastic rod and conduct experiment with other objects to determine whether they can hold a charge. They then use online applets to apply their experiments to...

Students investigate simple machines. In this simple machines lesson, students study how simple machines work. Students determine the function of various simple machines.

Fourth graders examine the physics behind and uses for inclined planes, screws, and wedges. They determine examples of how these simple machines are used in daily life. Working in three small groups, they move from station to station...

Students explore the theory of simple harmonic motion (SHM) by performing hands-on, practical application experiments. In this harmonic motion activity, students use strings of various lengths and bobs of different weights to create a...

For this science worksheet, students examine how the universe is bound with the atomic particles and focus upon the findings of two historical scientists.

In this simple machines worksheet, learners match the simple machine to its definition. Students then identify the pictures by the type of machine it represents. This worksheet has 6 matching and 12 fill in the blank questions.

Learners explore the distribution of plant seeds. In this science lesson, students discuss plants that explode in order to spread their seeds. Learners create pea shooters and use dried peas to see how far they will travel.

Third graders examine and identify the six types of simple machines. Using a model of each simple machine, they demonstrate the state the function of them to the class. They discover examples of simple machines at school and home and...

Using footballs, basketballs, tennis balls, and more, learners conduct experiments to illustrate Newton's Laws of Motion.  The experiments are conducted outside, and require them to throw, kick, and hit a variety of balls. Your...

Young biologists identify parts of the body, sort humans from other animals, and list the difference they see. Learners are split up into groups of three, and each group must find pictures in magazines of humans and other animals. They...

Students explain the effect of water, temperature and light on plant growth.

Students explore mass, volume, and weight. In this science and measurement lesson, students compare volume, mass, and weight after listening to the teacher's description of each. Students explore different scales and balances and...

In this online interactive English vocabulary skills worksheet, students answer 6 multiple choice questions which require them to read a sentence and determine the meaning of words or phrases in the sentences....

Students observe an on-line activity to review the basics of electrical circuitry, then research answers to related questions on-line.In this lesson on changing components in a series circuit, students discover how different components...

Pupils explore plants and recognize that they are living things that require light and water to grow. For this online plant biology lesson, students identify, name and match the parts of plants. Extension activities and suggested...

Students discuss the properties of solids and liquids. They complete a worksheet to show the boiling and melting points of several substances and consider if these factors affect how humans use materials.

Students learn to understand the role of both skeletons and exoskeletons. For this lesson on exoskeletons, students locate and label bones on diagram of a human skeleton, and observe and discuss bones of chicken and fish. Students then...

Students observe and record the apperacne of shadows and how their position and shpae changes during the course of the day. Students measure and record the length oof a partner's shadow at different intervals during the day. In pairs,...

Young scholars investigate the habitats of living things and the cycle of the food chain. In this scientific inquiry online lesson, students examine the habitats of plants and animals as well as the food chain as they sort pictures of...

Students research automobile operating systems in relation to racing. They design and construct vehicles from recycled material which they race to study the concept of propulsion.

Pupils measure frictional force existing between a moving cup and the surface it slides on. They conduct the experiment and answer discussion questions.

Students explore friction and use objects such as coins and marbles to study the concept.

Student design and build Lego vehicles that drag given amount of weight up an incline. They show how this demonstrates Egyptian methods of pyramid construction.