# The Gravitational Field: The aliens are coming | Virtual Lab

High School
Higher Education
Physics
Labster is used by 1,000's of amazing schools and universities

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Help the alien Pondus study gravitational acceleration on Earth and find out how Earth’s mass and the distance from where we measure it affects the strength of Earth’s gravitational field.

## Learning Objectives

• Define the gravitational acceleration
• Define the gravitational field
• Calculate the gravitational acceleration at a point of the gravitational field

Level:
High School
Higher Education
Length:
17
Min
Accessibility Mode:
Available
Languages:
English

## Lab Techniques

• Gravitational field
• Universal law of gravitation
• Mass vs Weight
• Field strength
No lab techniques are listed for this simulation.

## Related Standards

University:
NGSS:
• HS-PS2-4
• ESS1.B-H1
AP:
LB:
No lab techniques are listed for this simulation.

Have you ever had the chance to talk to an alien from a far-away galaxy? In this simulation, you will meet Pondus and help him study Earth's gravity. The mass of his planet is so big that he needs a huge thrust to escape its gravitational pull. Learn about the gravitational field and gravitational acceleration at Earth's surface and anywhere in space, and help Pondus understand if Earth is more suitable than his planet for space travel.

Freefall

Do all objects experience the same acceleration when they fall? Is there a difference between mass and weight? According to the legend, Galileo dropped different weights off of the Tower of Pisa to study gravitational acceleration on Earth. From our lab, you can do the same and much more: you can change Earth’s gravity and see how this affects the freefall and weight of objects.

The gravitational field

Even though you can’t see gravity, but just experience its effects, scientists have found a way to represent it: the gravitational field lines. Just with the click of a button, you will be able to visualize the gravitational field lines and understand how their density changes with the intensity of the gravitational field.

Calculate the gravitational field strength

The gravitational field lines look different from space: when we move away from Earth's surface, field lines no longer look parallel. They point radially to Earth's center. You will learn how to interpret them and relate the field strength to the distance from the field source. They will learn how to calculate gravitational acceleration at any point in space. Will you help Pondus learn more about gravity on Earth?

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## For Science Programs Providing a Learning Advantage

Associate Professor
North Dakota State College of Science

“They did the simulation at home, then completed the in-person lab within 30 minutes, no questions asked, and passed the quiz with flying colors.”

Lewis Mattin
PhD
Lecturer in Human Physiology
University of Westminster

"I saw some of the students who clearly didn’t necessarily like sitting there reading a book discover they could turn on Labster and keep up with the rest of the class because it spoke to them.

Melody McGill
Curriculum Coordinator
Modesto City Schools

"Having something that's engaging for the students gives teachers that opportunity to breathe and get excited again. Because they're seeing the kids light up, they're seeing the kids engage with content."

Kyle Hammon
Wenatchee Valley College

"The question always is, ‘Can we demonstrate that the students are meeting course outcomes?’ Check! We can do that.”

Dr. Melody Esfandiari
Chemistry Lecturer
San José State University

"We surveyed over 400 students. More than 90% thought Labster was easy to navigate, and that it was fun, but more importantly, most of them felt confident that they could execute the labs in person. And that confidence is a big deal."

Dr. Stuart Goodall
Lecturer
Northumbria University

“The Labster simulations get students to do things, and they're not just sitting there consuming a webinar where their mind can drift. They become an active participant in that learning experience.”

## FAQs

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How do students access Labster?

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How is Labster different from other learning solutions?

Labster simulations are created by real scientists and designed with unparalleled interactivity. Unlike point and click competitors, Labster simulations immerse students and encourage mastery through active learning.

What types of courses does Labster support?

Labster supports a wide range of courses at the high school and university level across fields in biology, chemistry and physics. Some simulations mimic lab procedures with high fidelity to train foundational skills, while others are meant to bring theory to life through interactive scenarios.