5th Grade NC Science EOG Review Parts 7

What is an example of a physical change?

• An example of a physical change is ice melting into water.

• An example of a physical change is burning wood.

• An example of a physical change is rust forming on iron.

• An example of a physical change is sugar dissolving in water.

What is gravity?

• A force that repels objects away from each other.

• A force that attracts objects toward each other, causing objects to fall to the ground.

• A type of energy that keeps objects in motion.

• A phenomenon that only affects large celestial bodies.

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What is the role of the skeletal system in the human body?

• The skeletal system provides structure, protects organs, and produces red blood cells.

• The skeletal system is responsible for digestion and nutrient absorption.

• The skeletal system regulates body temperature and fluid balance.

• The skeletal system is involved in the production of hormones and enzymes.

What is the significance of observing changes in the environment?

• It helps us understand natural processes and the impact of factors like temperature and weather.

• It allows us to predict future environmental disasters with certainty.

• It provides a way to ignore the effects of human activity on nature.

• It is primarily useful for academic research and has no practical applications.

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Why does a lighter wagon move farther than a heavier one when the same effort is applied?

• The lighter wagon has less mass, which allows it to accelerate more easily.

• The heavier wagon has more friction, preventing it from moving as far.

• The lighter wagon is made of stronger materials, allowing it to withstand more force.

• The heavier wagon is designed for stability, which limits its distance.

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How does friction affect motion?

• Friction can slow down or stop the motion of an object.

• Friction always increases the speed of an object.

• Friction has no effect on the motion of an object.

• Friction only affects objects in motion, not at rest.

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How do scientists use observations to draw conclusions?

• Scientists rely solely on theoretical models without any data.

• Scientists collect data through observations and experiments to form hypotheses and conclusions about natural phenomena.

• Scientists make conclusions based on personal beliefs and opinions.

• Scientists ignore data and focus on past research findings.

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How does the circulatory system function in relation to the skeletal system?

• The circulatory system transports red blood cells produced by the skeletal system throughout the body.

• The circulatory system provides structural support to the skeletal system.

• The circulatory system stores minerals for the skeletal system.

• The circulatory system produces hormones that regulate the skeletal system.

What is a chemical change?

• A process where a substance changes its physical appearance without altering its composition.

• A transformation that occurs when a substance changes into a different substance, such as wood burning to form ash.

• A reaction that only involves the mixing of substances without any change in their chemical structure.

• A method of separating mixtures into their individual components.

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What happens to a basketball when it is thrown and hits the ground?

• The basketball bounces back up due to elasticity.

• The basketball falls to the ground due to the force of gravity.

• The basketball floats in the air momentarily.

• The basketball disintegrates upon impact.

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