P1 The Earth in the Universe • IP1.10

Lesson Objectives

• To revise our knowledge of the solar system• To explain the impact of asteroids and comets.

P1 The Earth in the Universe • IP1.10

What is happening here?

P1 The Earth in the Universe • IP1.10

Some things to think about...

• What kind of objects from space could impact on (hit) the Earth, another planet or the Moon?

• What do you think happens when something from space hits a planet or the Moon?

• Which properties of the object from space might determine how dangerous the impact is?

• List the things that you can think of that might stop such objects hitting a planet or the Moon?

P1 The Earth in the Universe • IP1.10

Where can we find craters?

P1 The Earth in the Universe • IP1.10

The Solar Systemand craters

http://www.childrensuniversity.manchester.ac.uk/interactives/science/earthandbeyond/planets.asp

P1 The Earth in the Universe • IP1.10

The Earth seems to hang

in space.

P1 The Earth in the Universe • IP1.10

The Solar System

P1 The Earth in the Universe • IP1.10

Ida – an asteroid 56 km

long

P1 The Earth in the Universe • IP1.10

Comet Hyakutaka – a

lump of dust and ice

several kilometres across

P1 The Earth in the Universe • IP1.10

Comet Shoemaker–Levy 9

P1 The Earth in the Universe • IP1.10

Craters on the Moon

P1 The Earth in the Universe • IP1.10

Visiting the Moon

P1 The Earth in the Universe • IP1.10

Mars

P1 The Earth in the Universe • IP1.10

Martian craters

P1 The Earth in the Universe • IP1.10

A Martian volcano

P1 The Earth in the Universe • IP1.10

A meteor shower

P1 The Earth in the Universe • IP1.10

A meteorite

P1 The Earth in the Universe • IP1.10

Barringer crater, Arizona

P1 The Earth in the Universe • IP1.10

Barringer crater from

space

P1 The Earth in the Universe • IP1.10

Wolf Creek crater,

Australia

P1 The Earth in the Universe • IP1.10

Aorounga crater, Chad

P1 The Earth in the Universe • IP1.10

Stenheim crater,

Germany

P1 The Earth in the Universe • IP1.10

Fill in the gaps

Words to use:

Copper rock volcanoes thousand 3900 oldest

Meteorites evidence iron 1850 eroded comets

Earth atmosphere meteors metal pressure

P1 The Earth in the Universe • IP1.10

Today we have been studying craters and space.

Write down the questions today’s lesson has inspired you to think of.

Questions you would like to ask