WorksheetsSTAAR Review
Total questions: 25
Worksheet time: 25mins
A student has 3 spheres. Each sphere is made from copper, steel, or iron. The spheres each have a mass of 30 grams. Choose the correct answer for Part A and Part B.
Choose the correct answer for Part A and Part B.
Which T-chart best displays the processes required for sedimentary rock formation and fossil fuel formation?
A
B
C
D
Students placed four cubes of the same volume in a beaker of water. One cube floats on top of the water, one cube sinks to the bottom, and two cubs float in the middle of the water, beneath the surface. Click on the correct answer for Part A and Part B.
Which of the following best describes the role of decomposers in an ecosystem?
They produce their own food through photosynthesis.
They consume other organisms for energy.
They break down dead organisms and waste, returning nutrients to the soil.
They are the primary consumers of plants.
A partial food web is shown. Make a food chain that shows a complete pathway in which energy flows in this food web.
Grasses
Mice
Snakes
Hawks
The diagram shows land and sea. What is most likely occurring in Location X?
Weathering of rock by water
Cementation to form sedimentary rock
Deposition to form a river delta
Layering of deposited sediment
A partial forest food web is shown. Which organism does NOT obtain energy from any producers?
Possum
Deer
Chipmunk
Owl
Canyons are U-shaped valleys form differently. Choose the correct answer for Part A and Part B.
With the switches in the positions shown, which lights appear lit?
C and D only
A, B, C, and D
A and B only
None of the bulbs
A complete circuit is shown. At which point can you cut the wire and have exactly 3 lit bulbs?
A
B
C
D
A partial desert food web is shown. Which organism receives energy directly from a carnivore and an herbivore?
Agamid lizard
Beetle
Fennec fox
Jerboa
Golden eagle
A beaker containing 3 liquids and 2 solids is shown. What two conclusions can be drawn based on this diagram?
Oil is soluble in water.
Steel is soluble in syrup.
A plastic ball is less dense than a steel ball.
Liquids are less dense than solids.
Oil is less dense than syrup.
The horizon line, a lamppost, and its shadow are shown at 3:00 PM. Which circle best represents the position of the Sun at 3:00 PM? Select ONE circle.
Click on the correct answer for Part A and Part B
A partial tundra food web is shown. The organisms are labeled with letters instead of names. According to the food web, which organisms are herbivores and prey?
D and E only
B and F only
A and H only
B, F and G only
Which of the following best describes the process of photosynthesis?
A) Conversion of chemical energy into light energy
B) Conversion of light energy into chemical energy
C) Conversion of thermal energy into mechanical energy
D) Conversion of electrical energy into sound energy
What is the primary function of the mitochondria in a cell?
A) To store genetic information
B) To produce energy in the form of ATP
C) To synthesize proteins
D) To control cell division
Which of the following is an example of a chemical change?
A) Melting of ice
B) Boiling of water
C) Rusting of iron
D) Breaking of glass
In an experiment, what is the purpose of a control group?
A) To provide a standard for comparison
B) To introduce a variable for testing
C) To ensure the experiment is biased
D) To increase the sample size
Which of the following best explains why the sky appears blue?
A) Absorption of blue light by the atmosphere
B) Scattering of blue light by air molecules
C) Reflection of the ocean's color
D) Emission of blue light by the sun
What is the chemical formula for table salt?
A) H2O
B) NaCl
C) CO2
D) C6H12O6
Which of the following is a renewable source of energy?
A) Coal
B) Natural Gas
C) Solar Energy
D) Nuclear Energy
What is the role of chlorophyll in plants?
A) To absorb water
B) To absorb sunlight
C) To absorb nutrients
D) To absorb carbon dioxide
Which of the following best describes the function of the human respiratory system?
A) To transport nutrients to cells
B) To remove waste products from the body
C) To exchange gases between the body and the environment
D) To circulate blood throughout the body
