Atoms
Moon Phases
Seasons
Outer Space
Random Science
100
If an atom of oxygen has 8 protons, and 20 neutrons, what is its atomic mass?
28
100
Which moon phase occurs when all of the moon is lit?
Full Moon
100
If the northern hemisphere is experiencing winter during Christmas, what is the southern hemisphere experiencing?
Summer
100
What type of galaxy is this?
Spiral Galaxy
100
If you forgot a formula for a problem, what can you use as a reference?
STAAR 8th Grade Science Reference Material
200
What subatomic particle is found in the “cloud” of an atom?
Electrons
200
About how long does it take for one lunar cycle to complete?
4 weeks / A month
200
At a location during winter, will that area receive more or less sunlight?
Less
200
Correctly order the following from smallest to largest:
Galaxy, Moon, Solar System, Nebula, Planet.
Moon, Planet, Solar System, Nebula, Galaxy
200
What is the formula to find acceleration?
Acceleration = Net force / Mass
300
The combination of protons and neutrons would result in what type of charge?
Positive
300
What is the darkness on the Moon?
The Earth's shadow
300
In the month of July, we are in Summer. What season and month would it be in South Africa?
July ; Winter
300
What type of galaxy do we live in?
Milky Way Galaxy / Spiral Galaxy
300
Are the forces acting on a book that is at rest balanced or unbalanced?
Balanced
400
What type of particles are found outside the nucleus?
Electrons ; negative particles
400
Which lunar phase would occur about one week after a full moon?
Waning Quarter / Third Quarter
400
How does the Earth’s tilt affect the north and south poles during winter and summer?
During summer, the North pole will be facing the Sun and receive much more sunlight while the South pole will receive no sunlight, and vice versa.
400
What type of diagram can be used to check the temperature and brightness of different stars?
Hertzsprung-Russel Diagram / HR Diagram
400
How can Newton’s law of action–reaction best be applied to explain the movement of a rocketship to space?
As the fuel burns, gases push against the rocket, moving it upward
500
How many protons and neutrons are in the nucleus of a potassium atom with an atomic mass of 39?
19 protons ; 20 neutrons
500
If a new moon occurs on June 10th, what is the best estimated date of the next full moon?
June 24th
500
A few months ago the Northern Hemisphere was tilted away from the Sun while the Southern Hemisphere tilted towards the Sun. Now both have no tilt at all. Which season is each Hemisphere experiencing?
Northern Hemisphere = Spring ; Southern Hemisphere = Fall
500
As the luminosity of a star goes up, what usually happens to the stars temperature?
The temperature raises as well
500
The primary reason we have different seasons on Earth is because of ___________.
Earth’s tilt