5th : Science Section Flashcards
At what temperature does water freeze?
32 degrees Fahrenheit or 0 degrees Celsius
A 1/2 inch nut being tighted or loosened on a bolt is an example of what simple machine?
A screw
An entire lunar cycle last roughly how long?
A month
What states of matter assume the shape of their container?
Gas and Liquid
What is an axle?
The central shaft for a rotating wheel
What state of matter assumes the volume of its container?
A Gas
What term can be used to describe the Moon’s continous orbit around the earth?
Lunar Cycle
What is the change of water from gas to a liquid?
Condensation (Pronounced CON-DUN-SAY-SHUN)
What is the area called where the sun is completely blacked out by the moon during an eclipse?
Totality (Pronounced TOE-TAL-UH-TEE)
What is the official name of the Red Planet?
Mars
What is the largest planet in earth’s solar system?
Jupiter
What is the term for when the sun is exactly overhead at the equator?
Equinox Pronounced (ECK-QUH-NOX)
What is the closest planet to the sun?
Mercury
The gravitational (GRAV-UH-TAY-SHUN-ALL) force of objects will do what as the distance between them increases?
Become Less
What is the term for an object traveling around another object in space?
Orbit
Which phase of the moon is characterised by a completely illuminated disc?
Full Moon
What state of matter would you have if all of the atoms vibrate but generally do not move from place to place?
A Solid
What machine is a sloping ramp making it easier to transport heavy loads?
Inclined plane
A wheel barrow is an example of what type simple machine?
Lever
The Autumnal Equinox marks the first day of what season?
Fall
What can be defined as a mechanical device that changes the direction or magnitude of force?
A simple machine
The Equinox occurs on what two days of the year?
March 20 and September 23
What causes a “blood moon?”
Lunar Eclipse
What is the eighth planet from the sun in our solar system?
Neptune
What is defined as the movement of the Earth around the Sun?
Revolution
What phase of the moon would over have 50% of the moon lit on the left side?
Waning Gibbous (Pronounced GIB-US)
What is the most distingishing characteristic of the planet Saturn?
Its Rings
What phase of the moon would have less than 50% of the moon lit on the left side?
Waning Crescent
What happens when the moon passes directly between the sun and the earth?
Solar Eclipse
The Verninal Equinox marks the first day of what season?
Spring
What state of matter would you have if all of the atoms vibrate and move freely at high speeds?
A Gas
What is the study of Heredity called?
Genetics
How long does it take the earth to make one complete rotation?
1 day or 24 hours
What is the process that results in a substance changing its state from a liquid to a gas?
Evaporation
What phase of the moon would have have 50% of the moon lit on the left side?
Third Quarter
What phase of the moon would over have 50% of the moon lit on the right side?
Waxing Gibbous (Pronounced GIB-US)
How long does it take the earth to make one revolution around the sun?
One year (365.25 days to be exact)
What is the second closest planet to the sun?
Venus
Which Eclipse last for a longer period of time
Lunar Eclipse
What is the point on which a lever rests and is pivoted?
Fulcrum (FULL-CRUM)
What phase of the moon would over have 50% of the moon lit on the right side?
Waxing Gibbous (Pronounced GIB-US)
What force causes an apple to hit the floor when dropped?
Gravity
What is defined by the amount of matter in an object?
Mass
What is a simple machine which reduces the force needed to lift a load by increasing the distance it acts?
Inclined plane
What state of matter would you have if all of the atoms vibrate and move about, and slide past each other?
A Liquid
Which Eclipse last for a longer period of time
Lunar Eclipse
On which planet will you find the Great Red Spot?
Jupiter
What is a machine which has one wide end and tapers to a thin edge that can be used to separate two objects?
A wedge
What is the term for when the sun reaches its most northern excursion relative to the equator?
Summer Solstice (Pronounced SOUL-STUS)
What causes a “blood moon?”
Lunar Eclipse
What is different about leap year than a common year?
It has an extra day.
What is defined as the spinning of Earth on its axis?
Rotation
What state of matter assumes the volume of the part of the container which it occupies?
A Liquid
What state of matter has a fixed volume and shape?
Solid
What are defined as minor planets occurring in the inner Solar System?
Asteroids
What is the largest body in earth’s solar system?
The Sun
What phase must the moon be in in order for a lunar eclipse to occur?
Full Moon
What machine is made up of two circular objects fastened together?
Wheel and Axle
What eclipse happens at night?
Lunar Eclipse
A wheelchair ramp is an example of what typle simple machine?
Inclined plane