Dec 2024 5th grade Study Guide

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded together.

Front

What happens to light waves when they pass from water to air?

Back

The light waves are refracted as they change speed.

Front

What property of light allows it to bounce back when it hits a mirror?

Back

Reflection.

Front

What is the outcome of equal forces acting in opposite directions on an object?

Back

The object remains in the same position.

Front

What occurs when sugar is stirred into lemonade?

Back

The sugar dissolves, and the lemonade becomes sweet.

Front

Define refraction.

Back

The bending of light as it passes from one medium to another.

Front

What is reflection in terms of light?

Back

The bouncing back of light waves when they hit a surface.

Front

What is the difference between a mixture and a solution?

Back

A mixture is a physical combination of substances, while a solution is a homogeneous mixture where one substance is dissolved in another.

Front

What is the role of a medium in the propagation of light?

Back

A medium is the substance through which light travels, affecting its speed and direction.

Front

What is the principle of equilibrium in physics?

Back

When all forces acting on an object are balanced, resulting in no net force and no movement.