Science STAAR Review

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 canyon with tall, vertical sides is shown. Which of the following most likely led to the formation of this canyon?

• Rapidly moving water

• A hurricane

• Burrowing animals

• Volcanic activity

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is the relationship between the Sun, Earth and Moon?

• Earth revolves around the Moon, Earth revolves around the Sun. 

• The Sun revolves around Earth as the Moon revolves around Earth. 

• The Moon revolves around Earth as Earth revolves around the Sun. 

• Earth revolves around the Moon as the Sun revolves around Earth. 

Tags

NGSS.MS-ESS1-1

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

The picture show two views of a certain fish. How does the appearance of this fish most likely help it survive?

• Prey have little chance of seeing this fish as it approaches head-on

• The head-on view of this fish attracts predators

• The narrow body allows this fish to live in deep water

• Predators have a hard time seeing the side view of this fish.

Tags

NGSS.MS-LS4-4

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

• Prey

• Producer

• Decomposer

• Consumer

Tags

NGSS.MS-LS2-2

A food web for some organisms in an African rain forest is shown below. Which organisms in this food web eat only consumers? (5.9B)

• Okapis

• Civets

• Leopards

• Gorillas

Camouflage is a method when an ​ (a)   blends in with its ​ (b)   to avoid its ​ (c)   .

• organism

• environment

• predator

Tags

NGSS.MS-LS4-4

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-LS1-5

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

• Glass rod

• Cotton string

• Plastic tubing

• Copper penny