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STAAR Science Category 3 Review 2025

Total questions: 31

Worksheet time: 27mins

Name
Class
Date
1.
What type of galaxy do we live in?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Coaxial
2.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
3.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
4.

Which star stage does our Sun belong to?

a)

Supergiant

b)

Giant

c)

Main Sequence

d)

White Dwarf

5.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
6.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
7.
What determines the color of a star? 
a)
It's size
b)
It's temperature
c)
It's composition
d)
They are all the same color 
8.

Compared to the Sun, Spica is .......

a)

hotter and brighter

b)

cooler and brighter

c)

hotter and dimmer

d)

cooler and dimmer

9.

The reason we have seasons on our planet is because...

a)

we are closer to the sun during the winter and further during the winter.

b)

the tilt of Earth's axis allows for more direct sunlight in the summer and less direct sunlight in the winter.

c)

seasonal wind patterns carry warmer winds during the summer and colder winds during the winter.

d)

the Earth's orbit becomes more like an oval to give us different seasons.

10.
Which point is the northern hemisphere experiencing summer?
a)
1
b)
2
c)
3
d)
4
11.

Tides are caused by the difference in the gravitational force of the ________ and ________ across the ________.

a)

earth, sun, moon

b)

sun, mars, jupiter

c)

sun, moon, earth

d)

tide, water, sun

12.

The arrangement to the right would cause a (a)   tide.

13.
Wha type of tide would this arrangement of earth-moon-sun create?
a)
full moon tide
b)
new moon tide
c)
neap tide
d)
spring tide
14.

Alfred Wegener named his single supercontinent ____________, which means "all Earth" in ancient Greek.

a)

Pandora

b)

Gandowandaland

c)

Pangea

d)

Percia

15.

Subduction means.....

a)

one plate goes under another plate

b)

two plates slide past each other

c)

two plate collide and form folded mountains

16.

It is most common for a _____________ or ____________ to form at convergent plate boundaries. (select two)

a)

volcano

b)

mountain

c)

mid-ocean ridge

d)

rift valley

17.

It is most common for a ________________ to form at divergent plate boundaries.

a)

mid-ocean ridge and new ocean basin

b)

giant hole

c)

earthquake

d)

tornado

18.

Low Pressures are associated with what type of weather

a)

fair weather

b)

cold weather

c)

warm weather

d)

rainy weather

19.

Warm Fronts bring

a)

rain followed by cool dry air

b)

hurricanes

c)

rain followed by hot humid air

d)

fair weather

20.

What city will experience decreasing temperatures in the next day?

a)

Denver

b)

El Paso

c)

Memphis

d)

Los Angeles

21.

What is a layer of rock or sediment that holds water underground?

a)
glacier
b)
well
c)
aquifer
d)
natural spring
22.
What is all the water that runs off the surface of the land and washes into rivers, streams, and other waterways called?
a)
Runoff
b)
Storm Drain
c)
Surface Water
d)
Tributary
23.

A company known as Arten Industries is wanting to build a factory in the watershed that is pictured. The company wants to limit the ecological impact it has on surrounding areas. What would be the worst location for the factory?

a)

at the top of the river

b)

away from the river

c)

at the middle of the river

d)

at the bottom of the river

24.

Why do planets orbit the Sun?

a)

The Sun is the only celestial object that has a gravitational pull.

b)

The Sun’s chemical composition makes it attract planets.

c)

Only celestial bodies that emit light, like the Sun, can be at the center of an orbit.

d)

The Sun is the most massive object in our solar system, so it exerts the greatest gravitational pull.

25.

Where do Hurricanes form?

a)

NEAR the Equator

b)

Away from the Equator

c)

NEAR the North/South Poles

26.
Identify the types of galaxies shown in the image.
27.

The San Andres Fault Line is located in California. This fault line is where both the Pacific plate & the North American plate meet. How does the fault line look like?

a)

Volcanic island

b)

A long crack or split of rock

28.

Label each plate boundary.

29.

Drag the labels to the correct the locations on the diagram.

30.
Which of the following is evidence that supports continental drift?
a)
the presence of penguins at both the equator and Antarctica
b)
fossils of the same plant have been found on several continents
c)
the presence of glacial features in Antarctica
d)
the presence of volcanic rock in Antarctica
31.

Organize these landforms or geological events to the proper boundary type

Categorize the following

Volcanos

Earthquakes (D)

Rift Valleys

Ocean Ridges

Mountains

Earthquake (CS)

Earthquakes (CD)

Trenches

Volcano

Earthquakes (T)

Fault Lines

Divergent
Convergent (same crusts
Convergent (Different crusts)
Transform