Grade 11 · Astronomy
This quiz helps revise “Stars and galaxies” in Astronomy for grade 11. It has 25 questions in five categories: Starlight, Stellar life, Milky Way, Galaxy zoo, Moving universe. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
Which physical property of a star most strongly determines its color?
Which letter denotes the hottest standard spectral class of stars?
Which physical quantity is…
In the gameWhat is the effect…
In the gameWhich distance unit is…
In the gameWhich fuel is converted into helium in a star's core during the longest stage of its life?
The picture shows a young object in dust. What is the collapsing stage before sustained nuclear fusion begins?
What stage will the…
In the gameWhat compact hot remnant…
In the gameWhat ultradense remnant can…
In the game
The picture shows our Galaxy face-on. What type is it, with arms and an elongated central stellar structure?
What small disk feature between two major arms contains the Sun?
What compact radio source…
In the gameWhat nearly spherical outer…
In the gameWhich ESA mission made…
In the gameWhat galaxy type has a disk, central bulge, and prominent winding arms?
What pictured nearest large galaxy to the Milky Way is also known as M31?
What pictured galaxy type…
In the gameWhat pictured galaxy type…
In the gameWhat ultradense object powers…
In the gameWhat is the effect called when a distant galaxy's spectral lines shift to longer wavelengths as space expands?
What relation says that, for distant galaxies, recession speed is approximately proportional to distance?
The picture is a…
In the gameWhat invisible component is…
In the gameWhat unknown component is…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.
