Author Archives: Elizabeth

ACT Question of the Day Explained – February 9, 2014 – Science

Today’s ACT science question of the day is a data interpretation question.  (Basically, we have to read a data table.)

We are given a table of sediment concentrations at various depths that’s something like this:

Depth
(cm)		 Temperature
(oC)		 pH Concentration in sediment (ppm)
SO42– S2– CO2 Fe3+ Fe2+ O2
 0  4 7.0 7.0 0.0 1.0 4.0 0.5 2.0
 5  5 6.5 5.0 2.0 1.5 3.0 1.5 1.0
10  7 6.0 3.5 3.5 2.0 2.0 2.0 0.0
15  9 5.5 3.3 3.8 3.0 0.8 3.8 0.0
20 10 5.0 3.0 4.0 1.0 0.5 4.0 0.0

The test maker would like us to tell them which ion and dissolved gas has a constant concentration at depths of 10 cm or more. Continue reading →

SAT Question of the Day Explained – February 8, 2014 – Improving Sentences

Today’s SAT question of the day is an improving sentences question about lions.  This is an important point when it comes to fixing this sentence, as lions are not currently functioning as the subject of the sentence.  Let’s see if we can find a way to change that. Continue reading →

ACT Question of the Day Explained – February 7, 2014 – Math, Geometry, Area

Today’s ACT question is about the area of a trapezoid – they were nice enough to give us that formula right in the problem, so it’s a piece of cake!  Careful substitution cake with algebra frosting.

The formula they give us is:

a = (1/2)*h*(b1 + b2)       (h is the altitude, b1 and b2 are the parallel bases)

Continue reading →

SAT Question of the Day Explained – February 7, 2014 – Sentence Completion

Today’s SAT question of the day is a sentence completion question that required me to choose a word I didn’t really know for its answer.  (Don’t worry, I survived.)

We know that the students had to read a whole book, including materials found at the beginning of the book. Continue reading →

ACT Question of the Day Explained – February 6, 2014 – English, Transitions

baseballToday’s ACT question of the day wants us to add a sentence to the passage about baseball we saw recently.

The preceding sentence (the sentence before box 6) says:

Babe Ruth, Ted Williams, Joe DiMaggio, Roberto Clemente—names like these will echo through time that are trumpet calls to storied battles fought and won in ages past.

The next (subsequent) sentence compares Hank Aaron to a legendary knight.  Continue reading →