Science STAAR Test Review

Front

How many planets in the solar system are farther from the sun than Jupiter is?

Back

Three

Front

The prickly pear cactus has spines. The Texas horned lizard has a row of pointed scales along the edge of its body. These adaptations most likely help the prickly pear cactus and the Texas horned lizard —

Back

protect themselves

Front

A student went outside one evening and saw a full moon. About how many days later can the student expect to see the next third quarter moon?

Back

22 days

Front

What process caused fog to form on eyeglasses when washing dishes with hot water?

Back

Water vapor condensed on the student’s eyeglasses.

Front

Which process did light undergo on the pond’s surface to produce the image of the trees and clouds?

Back

Reflection

Front

What factor is most likely responsible for limiting the growth of smaller shrubs and plants in an old-growth forest with many tall trees?

Back

Limited access to sunlight.

Front

Based on Figure 2, which statement about density is true?

Back

The striped ball is more dense than the water.

Front

Why does the umbrella appear bright yellow to the student?

Back

The umbrella reflects yellow light and absorbs all other colors.

Front

How can a student separate salt and sand from a mixture of salt solution and sand?

Back

1. Pour the mixture through filter paper. 2. Boil the water that passes through the filter paper.

Front

Which force caused the car to speed up when rolling down the ramp, and which force caused it to slow down when rolling across the floor?

Back

Gravity caused the car to speed up when rolling down the ramp, and friction caused the car to slow down when rolling across the floor.