Dec 2024 5th grade Study Guide

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in a substance.

Front

What happens when sugar dissolves in a liquid?

Back

When sugar dissolves in a liquid, it breaks down into smaller particles and spreads evenly throughout the liquid, making it sweet.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that cause an object to change its motion. They do not cancel each other out.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is the property of light that allows it to bounce off surfaces?

Back

The property of light that allows it to bounce off surfaces is called reflection.

Front

What is energy transformation?

Back

Energy transformation is the process of changing energy from one form to another, such as electrical energy to thermal energy.

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion, while unbalanced forces cause an object to accelerate or change direction.

Front

What is the definition of a solution?

Back

A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent).

Front

What is the role of a solvent in a solution?

Back

The solvent is the substance that dissolves the solute, usually present in a greater amount.

Front

What is the speed of light?

Back

The speed of light in a vacuum is approximately 186,000 miles per second.