2nd Science Benchmark

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume. The atoms in a solid are closely packed together and vibrate in place.

Front

What is sound?

Back

Sound is a form of energy that travels in waves. It is produced by vibrating objects and can be classified as a compression wave.

Front

What is a compression wave?

Back

A compression wave is a type of wave where the particles of the medium move in the same direction as the wave. Sound waves are an example of compression waves.

Front

What is translucency?

Back

Translucency is the property of a material that allows some light to pass through, but not enough to see clearly through it. Examples include frosted glass.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded. Each substance retains its own properties. An example is fruit salad.

Front

What is a solution?

Back

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

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together. Water (H2O) is an example of a compound.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include oxygen (O) and gold (Au).

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas. Each state has different properties based on the arrangement and energy of its particles.

Front

What is the difference between a solid and a liquid?

Back

A solid has a definite shape and volume, while a liquid has a definite volume but takes the shape of its container.