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- 1. Multiple Choice
A comet is a relatively small solar system body that orbits the Sun. What other characteristics do we know to be true about comets?
They have very elliptical orbits around the Sun.
They are a ball of ice and rock.
They are made mostly of rock.
They enter the Earth's atmosphere every day.
- 2. Multiple Choice
What is the center of our solar system that is located in the Milky Way Galaxy?
a medium planet with an atmosphere
a star composed of carbon and nitrogen
a black hole that was once a star
a star composed of hydrogen and helium
- 3. Multiple Choice
Manuel was studying four rock samples, and wrote down his observations. Based on his notes, which of the following is most likely a sedimentary rock?
has large crystal shape that is almost clear, has smooth sidess
has many very small grains of sand in different layers
has rough surface full of holes and is light in weight
has solid black color, looks like smooth glass with sharp edges
- 4. Multiple Choice
The test that is used to determine the hardness of a mineral is the
luster test
streak test
color test
scratch test
- 5. Multiple Choice
It rained early in the morning. A student sees a puddle of water on the sidewalk when she walks to school. The water int he puddles is gone when she walks home. What happened to the water on the sidewalk?
It melted.
It condensed.
It evaporated.
It froze/
- 6. Multiple Choice
Which of the following factors would most likely cause a hurricane to decrease in strength?
staying over a warm body of water for a long time
increasing the number of large clouds
moving over a continent
moving toward tropical waters
- 7. Multiple Choice
Justin went to Paynes Prairie Preserve in Florida several times during the year. He noticed that the alligators at the preserve were more active during the summer months. Why would this be true?
Alligators are reptiles and are more active when it is cold outside.
Alligators are amphibians and are more active when it is cold outside.
Alligators are reptiles and are less active when it is cold outside.
Alligators are amphibians and are less active when it is cold outside.
- 8. Multiple Choice
Both plants and animals are organisms with organs that work together to meet their needs. which human organs serve a similar function as a plant's roots?
The small and large intensines
The stomach and kidney
The bladder and brain
The liver and pancreas
- 9. Multiple Choice
Sound travels fastest through which of the following?
solid
liquid
gas
space
- 10. Multiple Choice
What must happen in order for an object to move?
An unbalanced force must increase the object's mass.
An unbalanced force must decrease the object's weight.
An unbalanced force must overcome friction.
An unbalanced force must act on an object.
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