Washington Comprehensive Assessment of Science (WCAS) Grade 5 Practice Questions - Washington Comprehensive Assessment of Science - Grade 5 Exam - Washington Comprehensive Assessment of Science (WCAS) Grade 5 Practice Questions - Washington Comprehensive Assessment of Science

Question 1

A student dissolves a spoonful of sugar into a cup of warm water until the sugar can no longer be seen. Which statement best explains what happened to the sugar?

The sugar broke apart into tiny particles that spread out evenly among the water particles. The sugar changed into water particles and ceased to exist as sugar. The sugar dissolved by destroying the water particles at the bottom of the cup. The sugar evaporated out of the cup into the surrounding air.

Correct Answer:

The sugar broke apart into tiny particles that spread out evenly among the water particles.

Question 2

A student measures the mass of a sealed jar containing 100 grams of ice cubes. After the ice completely melts into liquid water inside the sealed jar, what will the total mass of the water and jar be?

The exact same mass as before the ice melted. Less than before because liquid water is less dense than ice. More than before because liquid water occupies less volume. Zero grams because phase changes destroy mass.

Correct Answer:

The exact same mass as before the ice melted.

Question 3

A student drops a tennis ball from a height of two meters. Which statement correctly describes the force acting on the ball as it falls?

Earth's gravity exerts a downward force pulling the ball toward Earth's center. Air pressure pushes the ball down toward the ground. Magnetic forces between the ball and the ground pull the ball down. The ball moves down because it loses all of its internal energy.

Correct Answer:

Earth's gravity exerts a downward force pulling the ball toward Earth's center.

Question 4

A scientist grows a potted plant from a seed in a sealed container with air, light, and water. Over several months, the plant gains 500 grams of mass while the dry soil loses less than 1 gram. Where did the plant get most of the matter for its growth?

From carbon dioxide in the air and water absorbed by roots. From solid soil minerals absorbed directly into leaves. From sunlight changing directly into solid matter. From fertilizer particles produced inside the plant stem.

Correct Answer:

From carbon dioxide in the air and water absorbed by roots.

Question 5

Which role in a forest ecosystem food web directly converts light energy from the Sun into chemical energy stored in food?

Producers such as evergreen trees and ferns. Primary consumers such as snowshoe hares. Decomposers such as mushrooms and soil bacteria. Apex predators such as cougars and wolves.

Correct Answer:

Producers such as evergreen trees and ferns.

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About this Exam

Prepare with the Washington Comprehensive Assessment of Science (WCAS) Grade 5 Practice Questions - Washington Comprehensive Assessment of Science - Grade 5 Exam practice quiz. This question bank includes 100 questions covering student, water, earth, washington, and mass. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Washington Comprehensive Assessment of Science (WCAS) Grade 5 Practice Questions - Washington Comprehensive Assessment of Science - Grade 5 Exam

This practice set contains 100 questions from the matching question bank and focuses on student, water, earth, washington, and mass. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Washington Comprehensive Assessment of Science (WCAS) Grade 5 Practice Questions - Washington Comprehensive Assessment of Science - Grade 5 Exam

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