WorksheetsCosmos: A Spacetime Odyssey - Episode 3
Total questions: 20
Worksheet time: 9mins
Long period comets originate from the O..... C....
(a)
Comets are largely made of i...
(a)
As comets approach the Sun, ice and other gasses evaporate forming the comet's t (a)
The earliest known accurate star map of the Southern Hemisphere was created by....
JOHANNES KEPLER
GALILEO GALILEI
ISAAC NEWTON
EDMOND HALLEY
The most massive object in this solar system is the ....
Venus
Jupiter
Sun
Neptune
The c (a) is the smallest unit of life (excepting viruses, if you consider them alive) -- sometimes called the building block of life.
Using an early microscope, __________ discovered and named the cell.
ROBERT HOOKE
CHARLES MESSIER
HENRIETTA SWANN LEAVITT
EDWIN HUBBLE
Johannes Kepler demonstrated that, instead of orbiting in perfect circles, planetary orbits are ....
cone
elliptical
sphere
circle
The closer a planet is to the Sun, the __________ the planet moves.
faster
slower
Who invented the reflecting telescope?
Newton's law of universal gravitation shows the force of gravity between two objects is inversely proportional to the square of the objects' .....
mass
distance
Who, along with Leibniz, is credited with developing the branch of mathematics known as calculus?
CHARLES MESSIER
ISAAC NEWTON
CARL SAGAN
GIOVANNI CASSINI
What branch of mathematics did Newton develop as part of his work on motion and gravity?
Algebra
Geometry
Calculus
Arithmetic
__________ created the first meteorological map showing the predominant wind patterns over the oceans.
EDMOND HALLEY
ISAAC NEWTON
GALILEO GALILEI
NICOLAUS COPERNICUS
A t (a) is when one object in space crosses in front of another object in space.
Edmund Halley proposed using the transit of _________ across the disc of the Sun as a way to calculate the distance to the Sun.
Mars
Venus
Jupiter
Saturn
One AU is about 93 million miles. AU stands for (a)
1 AU (astronomical unit) is the average distance from the Earth to the ....
Moon
Mars
Sun
Venus
Halley did not discover Halley's comet, he figured out the comet's __________.
orbital period
tail
apparition
When was the last time halley's comet was seen?
1985
1984
1986
1987
