H-R Diagram
Where a star spends the majority of its time actively burning fuel?
Main sequence
What is the name of our galaxy?
What is the Milky Way.
The distance that light travels in one year.
What is a light year.
The spinning of the Earth on it's axis is called _____________ and causes _____________
rotation, day and night
Plants have a rigid outer layer that provides support and shape called the
cell wall
Outer gases are cooler than the iner core and the star expands ?
Supergiants/giants.
What kind of galaxy do we live in?
What is a spiral galaxy.
A large cloud of gas and dust.
What is a nebula.
A large explosion of a stare, but the core remains
Supernova
vacuoles are round organelles in both plant and animal cells whose main function is to
store water, wastes and nutrients
What are the three types of galaxies?
What is spiral, elliptical, and irregular.
A spherical object that orbits a planet is called
Moon.
The movement around the sun is called __________ and causes Earth to experience ___________________ along with the tilt.
revolution, seasons
Which of the following structures are found in a plant cell but not an animal cell?
cell membrane
mitochondria
chloroplast
chloroplasts
Outer gases are released leaving a hot white core
White dwarf
What does a star's color indicate?
Temperature
When you look at white light through a glass prism, you see a rainbow of colors called a
What is a spectrum.
Resources that control the size of population are called
Niches
limiting factors
adaptation
limiting factors
The organelle that produces energy for the cell is the
mitochondria
What two things does the H-R diagram compare?
What is absolute magnitude and temperature.
Which color star is the hottest? coolest?
blue, red
What are 3 ways astronomers classify stars?
What is brightness, size, mass, age, color, temperature, etc.
Which contributes to the sustainability of an ecosystem?
narrow temperature range
variety of organisms
lack of decomposers
variety of organisms
The organelle that holds the code of life and controls the cell is the
nucleus