WorksheetsScience STAAR Review
Total questions: 121
Worksheet time: 2hrs 9mins
It is the amount of matter in an object.
volume
mass
weight
density
What units do we use to measure mass?
meter
Celsius
kilogram/gram
Newton
Which of the following determines an object’s ability to float in water?
volume
mass
weight
density
Which tools are best for separating a mixtures of sand, iron filings, and water?
Hot plate and filter
Tweezers and filter
Filter and magnet
Magnet and hot plate
Which substances, when mixed together, maintain their original physical properties?
gravel and water
wood chips, water and sand
sand and water
all of the above
All of the following are examples of containers filled with mixtures EXCEPT -
a jar filled with trail mix
a glass filled with lemonade
a bowl of cereal with milk
a cup of fruit salad
Which mixture can be separated using a filter?
sand and iron filings
saltwater
sand and water
none of the above
A cup of orange juice with pulp is poured into a glass. Which of these procedures could be done to separate the juice from the pulp?
pour the juice through a coffee filter
heat the juice in a pot until boiling
pour the juice in another cup
allow the mixture to settle, leaving the pulp at the bottom of the glass
What is a solvent?
The material being dissolved.
The liquid used to dissolve.
What is a solute?
The liquid used to dissolve.
The material being dissolved.
You need at least how many substances to make a mixture?
1
2
3
4
Solubility is the ability of a material to.....
conduct heat.
float.
dissolve in a liquid.
attract or repel metals.
How can we remove sugar from a sugar water solution?
Melting
Freezing
Evaporating
Sublimating
How can we remove sand from a sand and water mixture?
Tweezers
Filter
Magnet
How does the light travels?
in parallel
in a straight line
on its own orbit
on its own path
This situation shows that
light travels in a straight line
light is everywhere
light penetrates certain objects
light is produces by the Sun
There is no shadow formed on the screen. Why?
The object is opaque
The light source is too dim
The object is transparent
The object is translucent
Which of these provides the best explanation for why the pencil appears broken?
The pencil absorbs the light rays that hit it.
Water reflects light rays away from the pencil.
Light rays are refracted by the water in the glass.
The surface of the water reflects the light rays.
stops the flow of electricity
conductor
insulator
For a circuit to work, it must be...
open
incomplete
closed
have a switch
What type of circuit is this?
series
simple
open
parallel
What kind of circuit is this?
series
parallel
simple
open
Wood is...
conductor
insulator
Copper wire is...
conductor
insulator
What happens if a bulb goes out in a parallel circuit?
all bulbs go out
the battery dies
other bulbs stay lit
the circuit is broken
Adaptation: Bear sleeping in a cave during the winter months
Adaption: birds flying south for the winter
A student helped his father prepare soup for dinner. His father asked him to use a wooden spoon to stir the soup as it heated.
Why would the student's father ask him to use a wooden spoon?
The wooden spoon is able to float in the soup
the wooden spoon is able to sink in the soup
the wooden spoon is a good conductor of thermal energy
The wooden spoon is a good insulator of thermal energy
When using a solar-powered calculator, what source of energy is being used to power the calculator?
Electrical Energy
Light Energy
Mechanical Energy
Sound Energy
The arrows in the diagrams below represent light. Which diagram best shows how a glass mirror would reflect light?
Which of the following statements best describes the effect of solar energy absorbed by water in the ocean?
The color of the ocean water becomes light blue
the temperature of the water decreases
The water changes state from liquid to gas
The ocean water becomes less salty.
If a person is describing the daily changes in temperature and perception, they are referring to an area's--
weather
climate
geography
geology
Over a period of 40 years, the amount of rain that fell in the central Texas area was measured and recorded. Monitoring and tracking rainfall over a long period gives the most accurate information about--
amount of humidity
weather
climate
high temperature
What is one difference between weather and climate?
weather describes conditions near the ground, but climate does not.
Climate describes energy from the sun, but weather does not.
weather includes precipitation, but climate does not.
Climate describes long-term conditions over an entire region, but weather does not.
Which event best describes an example of evaporation?
Water flows downhill after a storm
Dark clouds form in the sky
Rain water oaks into the ground
Solar energy heats water at the ocean's surface.
In the water cycle, the Sun's energy is directly responsible for causing the process at location---
A
B
C
D
What process is represented by letter B?
Evaporation, because the water vapor is in the air
Precipitation, because rain comes from clouds
Condensation, because water is changing states to form clouds
Transpiration, because water is transforming
The picture shows a Pine squirrel sitting on a tree branch in a Temperate Forest Biome.
Which factor most likely does NOT affect the Pine Squirrel's survival in the temperate forest biome?
sunlight
bacteria
temperature
soil
Which of the following best illustrates the direction of energy flow through the food web above?
Spider to Grasshopper to Grass
Hognose snake to toad to grasshopper
Grass to rabbit to hawk
mouse to spider to toad
In the food chain above, the role of the grasshopper can best be described as--
a consumer that eats producers
a herbivore that produces its own energy
a producer that provides energy for the mouse
an omnivore that eats grasses and small animals
A student prepared a snack that consisted of grapes, pecans, and strawberries sprinkled with white powdered sugar. The student stored the snack in a refrigerator. An hour later the student observed that the powdered sugar could no longer be seen but the fruit and nuts had not changed in appearance. What most likely happened to the sugar in the mixture?
The sugar evaporated at the lower temperature in the refrigerator without causing any changes to the fruit and nuts.
The sugar was more dense than the other foods in the mixture, so it settled to the bottom of the container.
The sugar dissolved in the moisture on the fruit.
The sugar absorbed energy from the nuts and melted into a colorless liquid.
The chart lists plants and animals interacting with parts of an environment. Which statements describe an animal interacting with a living part of the environment?
Statements 1, 4, and 6 only
Statements 1, 3, and 5 only
Statements 2, 5, and 6 only
Statements 2, 3, and 4 only
A student drew the following pictures to show the day-night cycle of Earth.
Based on the pictures, how many hours should the student record on the nighttime picture to complete a day-night cycle?
11 hours
12 hours
13 hours
24 hours
A student uses a flashlight to shine a beam of light on three different objects.
Which table describes what happens to the light beam as it interacts with each object?
White oak trees grow to be 24 to 30 meters tall. Their long branches are covered with leaves, and their roots reach deep into the soil to hold the tree in place. White oaks drop their leaves during the winter months.
In which ecosystem would forests of white oak trees be most likely to survive?
Ecosystem 1
Ecosystem 2
Ecosystem 3
Ecosystem 4
A three-step process is shown.
Which of these are most likely formed by the process shown?
Glaciers
Mountains
Sand dunes
Sedimentary rocks
A group of students is given four small cubes of the same size and instructed to place them in a beaker of water. One cube floats to the surface of the water. Two of the cubes float in the middle of the beaker under the surface of the water. The last cube sinks to the bottom of the beaker. Which conclusion is best supported by what the students observed?
Two of the four cubes are soluble in water.
All four cubes have different masses.
Each cube is made of a different type of solid material.
One of the cubes is more dense than the other three.
Which effect would most likely occur if a six-lane highway were built through an ecosystem?
Competition for resources would be reduced.
Habitats available to animals would be reduced.
Air pollution would decrease.
Water pollution would decrease.
Students investigate force. The masses they use begin at rest on the ramp. The setup the students use is shown.
Which change will reduce the amount of force needed to move the masses?
Decrease the height of the ramp
Increase the height of the ramp
Add an additional mass
Pull the spring scale with two hands
Students record characteristics of a tomato plant. One student’s list is shown.
Which tomato plant characteristic is least likely to be inherited?
Flower color
Leaf shape
Type of roots
Number of tomatoes
Choose the list that best describes how fossil fuels are formed.
Organism growth, burial, volcanic eruptions
Faults in Earth's crust, burial, glacier formation
Organism growth, burial, compaction
Erosion burial, earthquakes
Which diagram shows compaction which leads to the formation of sedimentary rock?
Erosion is major process in the formation of sedimentary rock. What is erosion?
Rocks are broken into smaller pieces that remain the in same location.
Pressure compacts layers of sediment and turns them into rock.
Pieces of soil or rock are carried from one place to another.
Sediment falls to the bottom of a lake to form sedimentary layers.
Plants are growing on the surface of this pond. How do plants like these form fossil fuels?
Dead plants sink to the bottom and get buried by sediment for millions of years.
Dead plants sink to the bottom and get consumed by decomposers.
Dead plants produce carbon dioxide for the fish, which form fossil fuels.
Dead plants get buried for millions of years and form fossils that attract carbon.
Students pour 2 centimeters of light colored sand into a clear container. Then pour in 1 cm of gravel. Finally they pour 2 cm of colored sand. What characteristic of sedimentary rock does this model show?
Sedimentary rock is cemented bits of rock.
Sedimentary rock is made of layers.
Limestone is a type of sedimentary rock.
Sedimentary rock is found in Texas.
The model below shows layers of sediment on the floor of an ocean. Which is the best explanation of how these layers can become rock over years?
Sand in the sediment melts and turns into rock.
The weight of the water compacts the sediment into rock.
Changing water temperatures turn sand in the sediment into rock.
Pollution caused by humans turns the sediment into rock.
Monahans Sandhills State Park in Texas has 4,000 acres of sand dunes. Some as tall as a 6 story building. Which is the most likely way that sand dunes were formed?
rainstorms
tornadoes
earthquakes
strong winds
The shape of a delta can change over time. The size and shape of this delta over time are NOT likely to be changed by -
The amount and size of tides along the shore
The amount and size of sediments carried by the river and streams.
The amount of fishing in the delta
The amount and size of waves from the ocean that reach the shore.
The picture below shows a canyon in Northern Arizona. Which best describes how this canyon was most likely formed?
Floods eroded the sandstone away from the canyon walls.
Glaciers eroded the canyon rock as they melted and moved.
Ice wedged into cracks in the rock and weathered the canyon.
Wind blew large rocks that smashed against the canyon walls.
This wide U-shaped valley is shown in the picture. It was most likely formed by -
Floods eroded the sediment away.
Glaciers eroded the sediment as it melted and moved.
Wind blew large rocks that smashed against the canyon walls.
A hurricane carried away sediment
Some buildings and homes are heated by energy produced from an alternative to fossil fuels. Which is an example of a building or home heated by using an alternative energy source?
A home heated by energy generated by a hydroelectric dam.
A building that has emergency electric generators that run on gasoline.
A home heated by energy produced from a coal power plant.
A building that has furnaces powered by natural gas.
Which shows a person using an alternative energy source to perform a task?
Citizens in a community were surveyed about the type of energy resource they like for a new power plant. The results are shown below. How many citizens chose alternative energy resources?
850
485
365
687
An energy company wants to build a hydroelectric power plant. Which of these characteristics of an area is most important to the development of a hydroelectric power plant?
The area has a cool, rainy climate.
The area is located in a valley with very little wind and frequent heavy fog.
The area has a river that flows rapidly from nearby mountains through a valley.
The area has no geysers or hot springs.
Which alternative energy source is generated beneath Earth's crust and can be used to heat buildings?
Hydroelectric energy
Geothermal Energy
Wind Energy
Solar energy
The diagram below shows rock layers next to a road. Layer 3 contains many plant fossils. Layer 3 most likely formed in which of these environments?
Desert
Forest
Ocean
Tundra
Which two forces act on an object from a distance and cause the object to move?
Friction and gravity
Gravity and magnetism
Magnetism and friction
Gravity and density
Which two kinds of energies are produced by a light bulb in a circuit?
Electrical and light
Mechanical and light
Light and heat
Sound and heat
Which Earth processes can be observed in a Grand Canyon?
Formation of sedimentary rock
Oceanic waves
Mountain erosion
Plant growth
Which energy source below is considered non-renewable?
Biofuel
Natural gas
Solar
Hydropower
Examining temperature and precipitation daily using a thermometer and a rain gauge measured
temperature only
climate
wind speed only
weather
Which process describes water evaporating from the plant leaves?
Condensation
Transpiration
Precipitation
Runoff
Where will the Sun be at 12 pm?
Right above
On the east
On the west
On the south
Why does the night sky appears to move in a circle?
Earth rotates on its axis
The sky rotates over Earth
Stars travel in a circle around Earth
Earth revolves around the Sun
Which planet comes next after Jupiter?
Uranus
Mars
Neptune
Saturn
On a bright, sunny day, which time of day can be predicted to create the shortest shadows?
9am
3 pm
12pm
12am
Which of the following is a slow change to Earth's surface?
volcano
landslide
earthquake
deposition
Which of the following has a POSITIVE effect on the ecosystem?
fertilizer that washes into a river
planting trees
sewage flowing into ocean
creating pollution
Sunlight, water, and carbon dioxide are important for -
plants
animals
humans
minerals
Which adaptation is important for aquatic animals?
down feathers
long tail
webbed feet
large wings
Which planet doesn't have rings?
Mars
Jupiter
Neptune
Saturn
What is the hottest planet?
Mars
Mercury
Venus
Earth
Which of the following is a non-magnetic conductor?
Steel
Aluminum
Plastic
Glass
All of the following are found on the moon, EXCEPT -
Precipitation
Dust
Rocks
Gravity
How long does it take Earth to rotate on its axis 7 times?
One day
One week
One month
One year
A kangaroo rat lives in the desert environment. Which is the most difficult to find there?
Air
Shelter
Sunlight
Water
Which of the following is the same as frogs laying eggs?
Snake shedding skin
Plant producing seeds
Tadpole becoming a frog
Lizard dropping a tail
