5 Written questions
5 Matching questions
- In 1670 Isaac Newton performed a critical experiment on the nature of light when he
- An arc second is a measure of
- Why were Newton's three laws so important to astronomy?
- The zero point of the celestial coordinate known as right ascension is defined to be the
- According to modern atomic theory, light emitted by atoms originates from
- a transitions of electrons between electron levels of the same atom.
- b point where the Sun crosses the celestial equator moving northward in its path across the sky.
- c demonstrated that white light was made up of colors that could be split by a prism and that these colors were not produced by the glass through which the light passed.
- d angle
- e Newton's laws showed that planets can move around the Sun by themselves forever, without coming to rest.
5 Multiple choice questions
- bending of light as it enters a dense but transparent material at an angle to the perpendicular to the surface of the material.
- The air molecules scatter blue light better than red light, so more blue light reaches our eyes.
- at all wavelengths, with a peak at one particular wavelength (color).
- proved mathematically that light could b described by oscillating electric and magnetic fields.
5 True/False questions
The main reason for building large optical telescopes on the Earth's surface is to → to obtain much better angular resolution or sharpness in the images.
In the system of celestial coordinates that matches latitude and longitude on the Earth, which in the coordinate that is equivalent to latitude? → point where the Sun crosses the celestial equator moving northward in its path across the sky.
Which of the following four objects or persons in NOT accelerating? → testing of prediction from a scientific theory or theoretical model.
The scientific method is a major force in science, and theories describing physical phenomena have been developed with the aim of ensuring that → at all wavelengths, with a peak at one particular wavelength (color).
Are the constellations seasonal? → are 88 in number and cover the entire sky.