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Measuring impact craters on the Earth

This worksheet will guide you through how to download Google Earth, how to navigate to each impact crater, how to measure the diameter of each crater and to put the sizes of these craters into perspective. You will then be asked to calculate the kinetic energies involved in some of the impacts which have created these craters.

Impacts on Mars

Use Google Mars to observe some real impact craters on the Martian surface.

We suggest you try the activity; 'Measuring impact craters on the Earth' first as this activity compares craters and surface features on the two planets.

Meteorite Detective

The Down2Earth Meteorite Loan Box is the focal point for this activity. Students examine and draw the meteorites, with and without magnification, consider their density and compare them with Earth rocks.

Powerpoint for use with Meteorites Loan Box

This activity focuses around the meteorites within the Down2Earth loan box. It includes photographs of the meteorites, background information about them and is designed for classroom use.

Impact Calculator Activity

This activity worksheet guides students to reproduce some of the prominent impact craters on Earth. Using the Impact Calculator to model the conditions that created these craters, students can learn about the various factors contributing to the destructive potential of meteorite impacts and how our understanding of theory helps to form a picture of these catastrophic events in Earth's violent history.

Measuring Craters on Earth - booklet version

Activity1 - using Google Earth to measure craters

In this activity you will be measuring craters of different sizes on Earth which are the result of an impact from space.


Follow the Falling Meteorite - booklet version

In this activity you will track a meteor’s path using a technique known as triangulation which can be used to measure the direction to an object from two known locations. From this you can predict where the meteorites might be found.

Back Down2Earth Booklet

Back Down 2 Earth (BD2E) is an expansion of the existing Down 2 Earth (D2E) education project which teaches school students aged 11-19 about the geological side to astronomy. In this 46-page booklet you will learn about the wonders of comets and asteroids and the possible destruction that these bodies can cause on planets such as our own.

View this as a web-page (some material omitted).

What are impact craters?

There are 2 parts to this activity which should both be carried out prior to the Deep Impact mission. The aim of this activity is to learn about the specific features of craters.

Deep Impact on Earth

In this activity students will work out how long it takes light to travel from comet Tempel 1 to Earth and how long after the collision in the Deep Impact mission we will see this event.


Students will: