Science 8 SOL Review

Front

___ is the basic particle from which all elements are made.

Back

Atom

Front

What is an ion?

Back

An atom with an unequal number of electrons and protons.

Front

Which type of chemical bond is formed by the attraction of negative and positive ions?

Back

Ionic Bond

Front

Which type of chemical bond is created when atoms share electrons?

Back

Covalent Bond

Front

When baking soda is mixed with water, it dissolves in to the water. In this case the water is said to be the _____

Back

Solvent

Front

Acidic substances fall near what level on the pH scale?

Back

Lower (smaller value)

Front

What type of mirror is shown?

Back

concave mirror

Front

Which letter shows the type of wave that can be seen by the human eye? Options: A, B, C, D

Back

B

Front

Which electromagnetic waves have the longest wavelengths and the lowest frequencies? Options: infrared waves, radio waves, ultraviolet rays, gamma rays

Back

radio waves

Front

Electromagnetic waves can transfer energy without a(n)

Back

medium