2 Types of Cells
Prokaryotic and Eukaryotic Cells
The speed of an object in a given direction
Velocity
A force of attraction between any two masses
Gravity
Anything that has mass or takes up space
Matter
Moisture falling from the atmosphere as rain, snow, or hail
precipitation
The structures inside plant and animal cells
Organelles
A wavelength has a high pitch. What does this mean about the frequency?
high frequency
A natural or artificial body orbiting a planet or a star
Satellite
Difference between physical change and chemical change
physical change would be cutting a piece of paper, it gets smaller
Chemical change alters the actual chemical makeup of an object, eggs cooking
3 regular movements of ocean water
waves, tides, currents
The process how plants gain energy
Photosynthesis
The name for the speed at which sound travels
Mach
The way the tail of a comet is oriented when it is near the sun
A comet's tail always points away from the sun because energy from the sun causes the gas and dust particles to move away from the sun.
The amount of protons and electrons in an hydrogen atom
1 proton
1 electron
The barrier at the upper edge of the mesophere
mesopause
Third Criteria of life
all living things can sense changes in their surroundings and respond to those changes
Newton's 2nd Law
When an object is acted on by one or more outside forces, the total force is equal to the mass of the object times the resulting acceleration.
Give an example of a natural and an artificial satellite of Earth
Moon and man-made satellite, international space station
two atoms share an electron. What type of bonding is this
Covalent bonding
The type of cloud with a white, puffy, flat-bottom
cumulus
A whale and tiger are in the same class, but different orders. What is their class?
Mammalia
The 2 simple machines that make up the simple machine of a screw
Wheel and axel, inclined plane
The event that enables scientists to learn more about the sun's atmosphere, including its corona and loops of gas extending outward
A total solar eclipse
2 Characteristics of an acid
taste sour, conduct electricity, donate hydrogen ions
The 5 properties of something that meteorologists use to predict weather. What are the five properties
1) air
2) temperature, pressure, humidity, wind direction, and wind speed at various altitudes