STAAR Grade 5: Science 2

Question 1

Which tool is best used to measure the mass of an object in science class?

Accepted Answer

Triple beam balance

Answer

A triple beam balance is used to accurately measure the mass of objects in grams.

Question 2

What is the force that pulls objects toward the center of Earth?

Accepted Answer

Gravity

Answer

Gravity is the force that pulls all objects with mass toward each other, including pulling objects toward Earth's center.

Question 3

A food web shows which of the following?

Accepted Answer

How energy moves through an ecosystem

Answer

A food web shows how energy flows from producers to consumers through feeding relationships in an ecosystem.

Question 4

Which planet is known as the Red Planet?

Accepted Answer

Mars

Answer

Mars is called the Red Planet because its surface contains iron oxide (rust), giving it a reddish appearance.

Question 5

What is the term for the change from a solid directly to a gas without passing through the liquid state?

Accepted Answer

Sublimation

Answer

Sublimation is the process by which a solid changes directly into a gas, as seen with dry ice.

STAAR Practice Test