STAAR Science Questions

The picture shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut at the point shown by the arrow? (5.6B)

• 0

• 1

• 2

• 3

A group of students built the circuit shown here. The lightbulb does not glow. Which statement explains this observation? (5.6B)

• The battery is not charged.

• The lightbulb is not part of a complete circuit.

• The circuit does not have a switch.

• The bell uses most of the energy from the battery.

Tags

NGSS.4-PS3-2

When light travels through air into a prism, it bends and separates into many colors. In which other situation does light bend? (5.6C)

• When light moves through air into water

• When light hits a wall

• When light passes through outer space

• When light hits a mirror

Tags

NGSS.MS-PS4-2

The model above shows layers of sediment on an ocean floor. Which of the following can explain how these layers can become rock over many years?

• sand in the sediment melts and turns into rock

• weight of the water compacts the sediment into rock

• changing water temperatures turn sand in the sediment into rock

• pollution caused by humans turns sediment into rock

Tags

NGSS.MS-ESS1-4

Students make a model to show first step in formation of sedimentary rock. They pour 2 cm of light colored sand into a clear plastic box. They add 1 cm of gravel. Finally they pour 2 cm of dark colored sand on top of gravel. Which characteristic of sedimentary rock does this model show?

• Sedimentary rock is made of layers

• Sedimentary rock is made of cemented bits of rock

• Sedimentary rock is often limestone

• Sedimentary rock is often common in Texas.

A diagram of a delta is shown. Which process best describes the formation of this delta?

• The erosion of sediments in the ocean

• The weathering of rock by glaciers

• The deposition of sediments carried by the ocean

• The deposition of sediments carried by the river

Tags

NGSS.MS-ESS2-2

Which statement correctly describes the Sun's apparent movement across the sky?

• As Earth spins on its axis, it makes the Sun appear to move across the sky.

• As the Sun spins around Earth, it moves across the sky.

• Earth rotates around the Sun every 24 hours, making the Sun appear to move across the sky. 

• The Sun rotates around Earth every 12 hours, making the Sun appear to move across the sky. 

Tags

NGSS.MS-ESS1-1

This food web represents organisms in a field. What role do raccoons play in this food web? (5.9B)

• Prey

• Producer

• Decomposer

• Consumer

Crayfish live in water and often hide under rocks or plants. They come out to look for food and will eat both plants and animals. Which of these is a trait that a crayfish most likely inherits from its parents? (5.10B)

• The average distance it travels each day

• The number of legs it has

• The amount of food it eats each day

• The type of plants in its habitat

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Which of these is the best conductor of electricity? (5.5A)

• Glass rod

• Cotton string

• Plastic tubing

• Copper penny