Gravity And Science
Famous Gravitational Discoveries
Grav in the Arts
Word Origins (Etymology)
Grav-Related Technology
100

This force pulls objects toward the center of the Earth.

What is gravity?

100

The discovery of gravity's effect on falling objects is often attributed to this event involving an apple.

What is the apple falling from a tree?

100

This 1985 movie, starring Michael J. Fox, involves time travel and uses gravity-defying hoverboards.

What is Back to the Future Part II?

100

The Latin word “gravitas” means this.

What is seriousness or weight?

100

This technology measures gravitational force and helps in finding underground resources.

What is a gravimeter?

200

This physicist is credited with the law of universal gravitation.

Who is Isaac Newton?

200

In 1915, this scientist proposed the general theory of relativity, revolutionizing the understanding of gravity.

Who is Albert Einstein?

200

This 2014 science fiction film directed by Christopher Nolan explores survival in space and the effects of gravity on time.

What is Interstellar?

200

The root "grav-" is often used in English to refer to something heavy, serious, or this type of force.

What is gravitational?

200

The device that records fluctuations in gravitational waves is known as this.

What is a seismograph?

300

This celestial body has the strongest gravitational pull in our solar system.

What is Jupiter?

300

The first direct detection of gravitational waves was made by this observatory in 2015.

What is LIGO (Laser Interferometer Gravitational-Wave Observatory)?

300

This visual artist is known for creating sculptures and works of art that play with the concept of gravity, such as the famous “Hanging Mobiles.”

Who is Alexander Calder?

300

This Latin word means "to move" and is related to the force that gravity has on objects.

What is "gravere" (to burden)?

300

This spacecraft is famous for its role in observing gravitational anomalies in space.

What is the Hubble Space Telescope?

400

This scientist developed the theory of general relativity, which explains how gravity works in space-time.

Who is Albert Einstein?

400

This experiment demonstrated the equivalence of inertial and gravitational mass, using a simple pendulum.

What is Galileo’s experiment on falling bodies?

400

This 1967 album by The Beatles features a song with lyrics about falling under the influence of gravity.

What is Sgt. Pepper's Lonely Hearts Club Band?

400

This prefix, used in many scientific terms related to gravity, comes from Latin and means "heavy."

What is "grav-"?

400

This technology uses gravitational anomalies to locate submerged ships or aircraft.

What is gravity mapping?

500

This phenomenon causes light to bend around massive objects due to intense gravitational fields.

What is gravitational lensing?

500

The discovery of this dwarf planet’s unusual orbit led scientists to hypothesize the presence of a ninth planet, or "Planet Nine."

What is Pluto?

500

This 2001 film, directed by Ridley Scott, features a futuristic, gravity-defying battle involving astronauts.

What is Alien: Resurrection?

500

This ancient Roman philosopher and scientist’s name is related to the word "gravity" due to his studies in mechanics and motion.

Who is Archimedes?

500

This type of satellite can measure Earth's gravitational field to monitor changes like melting ice caps.

What is the GRACE satellite (Gravity Recovery and Climate Experiment)?