Texas Education Agency
Texas Gateway: Effects of Force
Explore the effects of forces around us in the world.
Open Curriculum
Open Curriculum: Gravity
This article helps students understand and apply the concept of gravity and Newton's Laws.
BioEd Online
Bio Ed Online: Center of Gravity
In the following lesson students will learn about center of gravity and how the body adjusts to the force of gravity to remain balanced.
Science Buddies
Science Buddies: How Do Roots Grow When the Direction of Gravity Changes?
You might not know it, but plants are able to sense their environment and actually respond appropriately. One of the key parameters that every plant must respond to is the direction of gravity: stems go up (opposite to the pull of...
Cosmos 4 kids
Cosmos4 Kids: Force of Gravity
Learn about the force of gravity in this article. Also, view a video that shows angry birds and pigs go weightless!
Physics Classroom
The Physics Classroom: Circular, Satellite, Rotational: Roller Coaster G Forces
Roller coaster rides are notorious for creating accelerations and g-forces. The magnitude and direction of normal force and gravity during the motion through a coaster's loop are depicted this animation.
Science Education Resource Center at Carleton College
Serc: Exploring Magnetism: Investigating the Forces of Magnets
Students describe and create an experiment to prove that like poles of magnets repel each other while opposite poles attract. Using the experiment, they use the data to support the claim that the repelling force is stronger than the...
Physics4kids
Physics4 kids.com: Forces of Attraction
Several diagrams provide explanations of planetary gravity as well as the gravity that exists between all objects.
NOAA
Noaa: Free Fall Determination of Newtonian Constant of Gravity
Descriptions of an experiment performed by geologists to determine the Newtonian constant of gravity, or "G". Highly sophisticated reading.
CK-12 Foundation
Ck 12: First Grade Science: Gravity
[Free Registration/Login may be required to access all resource tools.] Discusses the force of gravity and how it affects our lives.
Discovery Education
Discovery Education: Physical Science: Gravity Gets You Down
In this lesson, students make predictions about falling objects of different sizes and masses to learn about gravity and air resistance. Includes audio vocabulary list and extension activities.
MadSci Network
Mad Scientist Network: How Can a Gyroscope Defy Gravity
Explanation of the seemingly gravity-defying feats of a gyroscope. Focuses on the reason behind its operation. Includes illustrations.
Physics Aviary
Physics Aviary: Practice Problems: Universal Gravity Problem
Students must find out the strength of the gravitational force between two spherical objects based on the size, density and distance between centers.
Utah Education Network
Uen: Forces of the Solar System
Use water balloons to show the effect gravity will have on different sizes of objects in our solar system. Activity also shows how inertia works.
TeachEngineering
Teach Engineering: Forces and Graphing
This activity can be used to explore forces acting on an object, to practice graphing experimental data, and/or to introduce the algebra concepts of slope and intercept of a line. A wooden 2x4 beam is set on top of two scales. Students...
Science Education Resource Center at Carleton College
Serc: Investigating Forces: Pop Bottle Rockets
In this lab, students will work on scientific inquiry skills: observation, developing questions, conducting an experiment, and collecting data. They will investigate forces using pop bottle rockets that they have designed.
The Wonder of Science
The Wonder of Science: 5 Ps2 1: Earth's Gravitational Force
Create lessons on Earth's gravitational force with this site that includes work samples, phenomena, assessment templates, and videos.
Physics Aviary
Physics Aviary: Practice Problems: Gravitational Force on a Kuiper Belt Object
Students must find out the strength of the gravitational force on a ship that is at rest on a Kuiper Belt Object (KBO).
Physics Aviary
Physics Aviary: Practice Problems: Gravitational Force on Satellite
Students must find out the strength of the gravitational force that acting on a satellite at a certain distance from a body's surface.
Physics Aviary
Physics Aviary: Practice Problems: Spring Constant From Force Data
Students must find the value of the spring constant and the original length of a spring based on data that was collected from stretching a spring different amounts using a force probe.
Science4Fun
Science4 Fun: Gravity
Peruse this resource to learn about gravity, its importance, the Universal Law of Gravitation, the difference between mass and weight, and more fun facts.
Texas Education Agency
Texas Gateway: Uniform Circular Motion and Gravitation: Centripetal Forces
By the end of this section, you will be able to calculate coefficient of friction on a car tire and to calculate ideal speed and angle of a car on a turn.
Utah Education Network
Uen: The Larger It Is the Harder It Falls
Understand the concept of force and the effect it has on the motion of objects.
NASA
Nasa: Weight and Balance Forces Acting on an Airplane
The effects of forces exerted on an airplane wing are discussed both conceptually and mathematically. Illustrations and sample problems and solutions are provided.