Early Astronomers

Copernicus was a Polish astronomer who stated that:

• The Moon revolves around the sun.

• The Sun is the centre of the universe.

• The Earth orbits the sun

• Gravity is the force pulling us down to Earth.

Galileo Galilei improved which device:

• The toothbrush

• The magnifying glass

• The telescope

• The microscope

Why did he do this?

• In order to observe new species of ants

• To read peoples minds

• To watch out for ships on the ocean

• To closer observe the stars and space

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Ptolemy was a great astronomer, but what mistake did he make?

• he made a wrong model of solar system

• he fought with other astronomers

• he said the Sun was circling the Earth

• he kept the knowledge of the universe as a secret

What contribution did Galileo give to the world?

• he built a better telescope

• he invented a compass to draw the orbits of the planets

• he used the theory of gravity to explain how solar system works

• he built a space shuttle to observe space

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The main use of telescope is

• to see what's going on at the stadium

• to see how far people do a long jump

• to see the plane fly in the sky

• to see a distant object in outer space

Tags

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What did Galileo observe about Jupiter?

• the exact size of Jupiter

• the moons' movement around the planet

• the types of gasses the make up Jupiter

• the core of planet Jupiter

Johannes Kepler was a/an

• mathematician

• biologist

• astronaut

• traveler

Ptolemy?

• he created the telescope

• he created the scientific method

• he is also known as the grandfather of science

• he created the geocentric theory, stated planets must move in small circles

Who is Copernicus?

• created the heliocentric system, the sun is the center of the universe

• he created the telescope

• he created the geocentric system

• he created the scientific method