What is a prominence?

a loop of gas that connects different parts of sunspot areas

What is the best explanation for Mercury's variance in temperature between daytime and night?

Mercury has little to no atmosphere.

A controlled experiment...

tests only one variable and is free of bias

Mendeleev's periodic table was a useful tool because it enabled him to

make predictions about properties of undiscovered elements.

What happens at a spring tide? SC.8.E.5.9.

The is the most difference between consecutive high+low tide

What property of aluminum makes it a suitable metal for soft-drink cans? (SC.8.P.8.6.)

It can be hammered into a thin sheet (malleability).

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8th Grade Science FCAT Review

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Science FCAT Review for grade 8. #vanderventer

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Questions 15

Answers

1
Determining that the moon is the same age as Earth based on rock age on Earth and the Moon is--
an estimate
a scientific explanation
a qualitative observation
anomalous data
2
What is a prominence?
a loop of gas that connects different parts of sunspot areas
a burst of magnetic energy
a cooler area on the surface of the sun
electrical particles that enter Eath's atmosphere
3
What does a light-year measure?
distance
volume
brightness
time
4
What allows rockets to be launched into the sky?
Newton's 3rd Law of Motion.
Newton's 1st Law of Motion.
Force Equation(F=ma)
Newton's 2nd Law of Motion.
5
What is the best explanation for Mercury's variance in temperature between daytime and night?
Mercury has little to no atmosphere.
Mercury has no liquid water.
Mercury has the greenhouse effect.
Mercury is the closest planet to the sun.
6
What might be one reason scientists would build a model of Earth like the one shown here?
to show pressure inside Earth
to show the color of the continents
to show the layers of Earth
to show the depths of Earth's oceans
7
A controlled experiment...
introduces bias
tests only one variable and is free of bias
tests several variables at once.
changes no variables
8
Mendeleev's periodic table was a useful tool because it enabled him to
observe the properties of undiscovered elements.
construct the periodic table that is used today.
understand the structure of atoms.
make predictions about properties of undiscovered elements.
9
What type of day occurs when the sun reaches its greatest distance north/south of the equator?
Umbra
Equinox
Penumbra
Solstice
10
What happens at a spring tide? SC.8.E.5.9.
There is only one low tide each day.
There is the least difference between high and low tides.
The is the most difference between consecutive high+low tide
There is only one high tide each day.
11
Which model of the atom is represented by the diagram below?
the Rutherford model
the Bohr model
the Thomson model
the modern cloud model
12
From what region do most comets come?
asteroid belt
inner solar system
Oort Cloud
Kuiper Belt
13
What are stars primarily composed of?
liquid
hydrogen and helium gases
rocks and other solids
oxygen
14
What property of aluminum makes it a suitable metal for soft-drink cans? (SC.8.P.8.6.)
It has good electrical conductivity.
It can be drawn into long wires (ductility).
It can reflect light (luster).
It can be hammered into a thin sheet (malleability).
15
What characteristics do all of the outer planets share? (SC.8.E.5.7)
They have many moons.
They all have rocky surfaces.
They are larger than the Sun.
They have thin atmospheres.

8th Grade Science FCAT Review Flashcards | StudBud