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%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
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% Document Info
\author{Aya.Rivera}
\pdfinfo{
  /Title (grade-10-science-reviewer-2nd-quarter.pdf)
  /Creator (Cheatography)
  /Author (Aya.Rivera)
  /Subject (Grade 10 Science Reviewer -2nd Quarter Cheat Sheet)
}

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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Grade 10 Science Reviewer -2nd Quarter Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Aya.Rivera} via \textcolor{DarkBackground}{\uline{cheatography.com/216193/cs/47189/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Aya.Rivera \\
  \uline{cheatography.com/aya-rivera} \\
  \end{tabulary}
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\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 16th October, 2025.\\
   Updated 16th October, 2025.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
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% www.emerson.emory.edu/services/latex/latex_169.html
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\begin{multicols*}{4}

\begin{tabularx}{3.833cm}{p{0.66726 cm} x{1.24353 cm} x{1.12221 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{3.833cm}}{\bf\textcolor{white}{Pioneers of Electromagnetism}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Scientist} & Contribution & Key Concept \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Hans \seqsplit{Christian} Oersted & Discovered that an electric current produces a magnetic field. & \seqsplit{Electromagnetism} link \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{André-Marie} Ampère & Developed the mathematical relationship between electric current and the magnetic field (Ampère's Law). & Direction of Current \tn 
% Row Count 13 (+ 7)
% Row 3
\SetRowColor{white}
Michael Faraday & Discovered electromagnetic induction (a changing magnetic field produces an electric current). Invented the electric motor/generator principle. & \seqsplit{Electromagnetic} Induction \tn 
% Row Count 22 (+ 9)
% Row 4
\SetRowColor{LightBackground}
James Clerk Maxwell & Mathematically predicting EM waves and confirming light is an EM wave. & Unified Theory of \seqsplit{Electromagnetism} \tn 
% Row Count 27 (+ 5)
% Row 5
\SetRowColor{white}
\seqsplit{Heinrich} Hertz & Experimentally confirmed Maxwell's predictions by generating and detecting Radio Waves in his lab. & Experimental Confirmation of EM Waves \tn 
% Row Count 34 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
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\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{⚡ Electromagnetic Waves}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\emph{EM Waves}} are disturbances that propagate through space and matter, transferring energy. They are produced by the vibration or acceleration of charged particles. \newline % Row Count 4 (+ 4)
       {\bf{Nature}}: They are transverse waves (vibrations are perpendicular to the direction of wave travel) and are non-mechanical (don't require a medium, can travel in a vacuum). \newline % Row Count 8 (+ 4)
      {\bf{Speed}}: All EM waves travel at the same speed in a vacuum: the Speed of Light ({\emph{c}} = approx. 3.0 x 10\textasciicircum{}8\textasciicircum{} m/s. \newline % Row Count 11 (+ 3)
{\bf{Electric Field}} ({\emph{E}}) and {\bf{Magnetic Field}} ({\emph{B}}) are perpendicular to each other and to the direction of wave propagation.% Row Count 14 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Electromagnetic Spectrum}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{EM Wave}} & {\bf{Practical Uses}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Radio Waves & Communication (AM/FM), TV, MRI, Radar \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Microwaves & Cooking, Satellite communication, GPS, Wi-Fi \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Infrared & Remote controls, Thermal imaging, Night vision, Heaters, Camera Autofocusing \tn 
% Row Count 8 (+ 3)
% Row 4
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Visible Light & Seeing, Photosynthesis, Fiber Optics \tn 
% Row Count 10 (+ 2)
% Row 5
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\seqsplit{Ultraviolet} Rays & Sterilization, Tanning beds, Checking Bankbook signature, Detecting counterfeit money \tn 
% Row Count 14 (+ 4)
% Row 6
\SetRowColor{LightBackground}
X-Rays & Medical imaging, Security scans \tn 
% Row Count 16 (+ 2)
% Row 7
\SetRowColor{white}
Gamma Rays & Cancer treatment (radiotherapy), Sterilization of equipment, Checking inside of steel oil pipe, Water sterilization \tn 
% Row Count 21 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
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\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{The Electromagnetic Spectrum}}  \tn
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\mymulticolumn{1}{p{3.833cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/aya-rivera_1760618209_Picture3.png}}} \tn 
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
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\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Properties of EM Waves}}  \tn
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\begin{tabularx}{3.833cm}{X}
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\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Characteristics of EM Waves}}  \tn
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
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\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Law of Reflection}}  \tn
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\mymulticolumn{1}{x{3.833cm}}{{\bf{Law of Reflection}}  \newline % Row Count 1 (+ 1)
1. The incident ray, the reflected ray, and the normal (a line perpendicular to the surface at the point of incidence) all lie in the same plane. \newline % Row Count 4 (+ 3)
2. The angle of incidence (Angle i) is equal to the angle of reflection (Angle r).% Row Count 6 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Images on Plane Mirrors}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{Location}}: distance from mirror to image is equal to distance from mirror to object. \newline % Row Count 2 (+ 2)
{\bf{Orientation}}: always {\emph{upright}} \newline % Row Count 3 (+ 1)
{\bf{Size}}: same size as the object \newline % Row Count 4 (+ 1)
{\bf{Type}}: always {\emph{virtual}} \newline % Row Count 5 (+ 1)
- Image formed in a plane mirror is {\bf{Laterally Inverted}}  - left and right are switched. \newline % Row Count 7 (+ 2)
{\bf{Multiple Reflections}} \newline % Row Count 8 (+ 1)
To calculate the number of images that are formed we place the plane mirrors tilted at an angle to each other, using the formula: \newline % Row Count 11 (+ 3)
                                              {\emph{N}} = (360/{\emph{angle}}) - 1 \newline % Row Count 13 (+ 2)
where: {\emph{N}} is the number of images formed. \newline % Row Count 14 (+ 1)
If the mirrors are parallel (facing each other), they form an infinite number of images.% Row Count 16 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{3.833cm}{p{0.78858 cm} x{1.03122 cm} x{1.2132 cm} }
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\mymulticolumn{3}{x{3.833cm}}{\bf\textcolor{white}{Curved Mirrors / Spherical Mirrors}}  \tn
% Row 0
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Concave / \seqsplit{Converging} Mirror & Curves inward (like an inverted C) & Depends on object position; can be Real/Virtual, \seqsplit{Inverted/Upright}, \seqsplit{Magnified/Reduced} \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
Convex / Diverging Mirror & Curves outward (like the letter C)) & Always {\bf{Virtual}}, {\bf{Upright}}, and {\bf{Smaller}} \tn 
% Row Count 9 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{3.833cm}}{Uses of Concave Mirrors: \newline      Used in Dentistry, Shaving mirrors, headlights, Astronomical telescopes, etc. \newline  \newline Uses of Convex Mirrors: \newline     Side-view \& Rear-view mirrors, Security Mirror (in grocery stores etc.), Traffic Mirrors, ATM convex mirror, etc.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Ray Model of Light}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{3.833cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/aya-rivera_1760620561_licensed-image.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Key Terms (Curved Mirrors)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{Center of Curvature}} ({\emph{C}}): center of the sphere from which the mirror section is taken. \newline % Row Count 2 (+ 2)
{\bf{Focus}} or {\bf{Focal Point}} ({\emph{F}}): point where parallel rays converge ({\bf{concave}}) or appear to diverge from ({\bf{convex}}). \newline % Row Count 5 (+ 3)
{\bf{Principal Axis}}: the line passing through {\emph{C}} and {\emph{F}}. \newline % Row Count 7 (+ 2)
{\bf{Vertex E}} ({\emph{V}}/{\emph{E}}): the center of the mirror. \newline % Row Count 8 (+ 1)
{\bf{Focal Length}} ({\emph{f}}): distance from {\emph{F}} to the {\emph{vertex E}}.% Row Count 10 (+ 2)
} \tn 
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\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Real vs Virtual Image}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{3.833cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/aya-rivera_1760617879_Picture7.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{IMAGE FORMATION IN A CONCAVE MIRROR}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{3.833cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/aya-rivera_1760618023_Screenshot 2025-10-16 203248.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{IMAGE FORMATION IN A CONVEX MIRROR}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{3.833cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/aya-rivera_1760618082_Screenshot 2025-10-16 203304.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Curved Mirrors / Spherical Mirrors}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{A {\emph{curved mirror}} is a reflecting surface in which the reflective surface is a section of sphere. There are  two kinds of curved mirrors, the concave and the convex mirrors.  A spoon is a kind of a curved mirror with both concave and convex mirror.% Row Count 5 (+ 5)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}