All the forces responsible for high tide are

Gravitational force from Earth, Sun, Moon, centrifugal force

The highest tide is generated when:

Sun, Earth, and Moon straight path

Which of the following chemical reactions produce the sun’s energy?

hydrogen nuclei combine through nuclear fusion into helium

The difference between the perihelion and aphelion is based on:

planetary speed, and solar gravity

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Unit 1: Solar System

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Environmental Earth Science; Solar System

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Questions 19

Answers

1
When a planet, undergoing elliptical orbit, is closest to the sun it:
constant speed
speeds up due to gravity
slows down due to gravity
both speeds up and slows down simultaneously
2
All the forces responsible for high tide are
Inertia, speed, Earth's gravity
Gravity from Earth, Sun, and centrifugal force
Gravity from Earth, Sun, Moon, and gravitational force
Gravitational force from Earth, Sun, Moon, centrifugal force
3
The highest tide is generated when:
High noon
Moon is full
Sun, Earth, and Moon straight path
Sun, Earth, and Moon are right angle
4
Which of the following chemical reactions produce the sun’s energy?
helium nuclei are combined by nuclear fusion
helium and oxygen break down through nuclear fission
oxygen causes combustion of solar fuel molecules
hydrogen nuclei combine through nuclear fusion into helium
5
Precession is:
Tilting of Earth's axis
Wobbling of axis
Rotation of Earth's celestial equator
Wobbling of celestial equator
6
Planets orbit the sun in what type of path?
ellipse
perihelion
aphelion
circle
7
When the sun is under the Earth's celestial plane, what season is the N. Hemisphere?
Summer
Spring
Fall
Winter
8
Earth revolves every____, and rotates every____
365 days, 24 hours
365 hours, 24 hours
24 hours, 365 days
24 days, 365 hours
9
The difference between the perihelion and aphelion is based on:
solar radiation
orbital shape
planetary speed, and solar gravity
period, and orbital radius
10
Equatorial bulge is produced by what forces?
centrifugal force
gravity and centrifugal force
nutation
gravity
11
When the sun is upon Earth's celestial equator and facing the Northern Hemisphere
The season is Winter
The season is Summer
The season is Spring
The season is Fall
12
What is precession?
The receding of the tide
Wobbling of the axis
Tilting of the Earth's axis
Speeding up of the Earth when closer to the Sun
13
Light years are a measure of:
Time
Distance
Time
Energy
14
The Earth is closest to the Sun in
January
March
December
July
15
The seasons are best determined by:
revolution and rotation
distance and speed
distance and tilt
tilt and rotation
16
If the season is Winter in the N. Hemisphere, what is the season in the S. Hemisphere with tilt
Fall
Winter
Spring
Summer
17
During the month of July, Antarctica is experiencing
winter; 24 hour darkness
winter; 12 hour darkness
summer; 24 hour daytime
summer; 12 hour daytime
18
Solar radiation is the source of energy for which life-sustaining chemical reaction on Earth?
Fusion
Photosynthesis
Decomposition
Respiration
19
Centrifugal force is caused by
distance
Newtons
equatorial bulge
inertia

Unit 1: Solar System Flashcards | StudBud