8th. HS - 23 - Review

What is microgravity?

• Pull generated by planets.

• Pull generated by objects with a very high mass.

• Pull generated by any object with mass.

• None of the options is correct.

Who was the first man to walk on the moon?

• Martin Willstone

• Patrick Carlson

• Robert Goddart

• Neil Armstrong

Tool used to magnify distant objects in space.

• Satellite

• Telescope

• Microscope

• None of the answers is correct

Select the 2 correct types of telescopes.

• Magnifying telescope

• Refracting telescope

• Restrictive telescope

• Reflecting telescope

Which is the most effective type of microscope?

• Reflecting telescope

• Refracting telescope

• Space telescope

• Earth telescope

What is the speed of light?

• 100,000 Km per hour

• 200,000 Km per hour

• 300,000 Km per hour

• 400,000 Km per hour

What is the method scientist use in order to calculate how far are stars from Earth?

• Distancing Method

• Doppler Effect

• Wave analysis

• None of the answers is correct

This color is commonly found in the starts with the highest temperatures.

• Red

• Yellow

• Blue

• Brown

This is the category where our sun is classified.

• Dwarf star

• Neutron star

• Giant star

• Medium-size star

When is a star considered to be borned?

• When the stellar cloud forms.

• When nuclear fission starts.

• When nuclear fusion starts.

• None of the answers is correct.