body parts?
vocabulary?
Red Blood Cells?
vocabulary?
what is the body part?
100
does a female or male have testies
Male
100
what is the definition of organisms
an individual animal, plant, or single-celled life form.
100
These stars burn the hottest.
What are blue stars?
100
This is a collection of stars, gases, and dust bound together by gravity.
What is a galaxy?
100
pupil
200
does a female have ovaries or a male
female
200
what is the definition of heart?
a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation. In vertebrates there may be up to four chambers (as in humans), with two atria and two ventricles.
200
This is the star in our solar system.
What is the sun?
200
This type of galaxy has younger stars at its center.
What are barred spiral galaxies?
300
What brings oxygen to the heart?
red blood cells
300
This characteristic determines the color of a star.
What is temperature?
300
This type of galaxy has older stars at its center.
What are spiral galaxies?
300
This space object has two tails that face away from the sun.
What is a comet?
400
what do the lungs do?
they help you breath?
400
These are the names of the four inner planets (in order from their distance to the sun).
What are Mercury, Venus, Earth, and Mars?
400
These are large objects in space that revolve around a star in its own orbit.
What are planets?
400
This type of galaxy is considered ancient due to its inability to produce new stars.
What is an elliptical galaxy?
400
Outer planets have many of these while inner planets have few.
What are moons?
500
What do white blood cells do?
fight of germs
500
This planet rotates on its side.
What is Uranus?
500
These are the four ways in which a star can be classified.
What are temperature, color, size, and brightness?
500
This type of galaxy can be formed when two galaxies collide.
What is an irregular galaxy?
500
Planets and moons rotate on this imaginary line.
What is an axis?