ACT Science: Fetch Questions

According to Figure 1, the mass of cheese remaining at 4 hr was closest to which of the following values?

• 140 mg

• 176 mg

• 185 mg

• 190 mg

The foods listed in Figure 1 are listed in order of the percent by mass of proteins, lowest to highest. As the percent of mass of proteins increased, the mass of food remaining at 28 hr:

• decreased only.

• increased only.

• decreased and then increased.

• increased and then decreased.

Based on Table 1, assume that 200 mg of each food is being represented. Water comprises over 100mg of mass for which of the foods?

• Ham only

• Cat food and ham only

• Peanuts and cheese only

• Peanuts, cheese, and ham only

Based on Figure 2, when was the current in the circuit flowing counterclockwise?

• 2 msec

• 6 msec

• 10 msec

• 15 msec

A period is the amount of time it takes a wave to complete one full cycle. Using Figure 3, the period for VL was:

• 2 msec.

• 10 msec.

• 15 msec.

• 20 msec.

According to Figure 2, the minimum negative value of VS was approximately?

• -275 V.

• -250 V.

• -200 V.

• 0 V.

Mutagens were mixed with bacteria in dishes as follows: Dish 2 = Substance Q; Dish 3 = Substance R; Dish 4 = Substance S; Dish 5 = Substance T. Which of the suspected mutagens resulted in the greatest number of His+ revertants in a dish?

• Substance Q

• Substance R

• Substance S

• Substance T

Based on Figure 2, on average, where was the brightest surface soil found?

• At the coastal line

• 50 km inland

• 100 km inland

• 150 km inland

According to this figure, the average relative brightness of the dorsal stripe was 0.25 at an inland distance that was closest to which of the following?

• 20 km

• 40 km

• 60 km

• 80 km

According to Figure 2, what is the order of gas samples from longest $\lambda$  to shortest  $\lambda$  for  $N\ =\ 9\ \cdot\ 10^{23}$  

• Ne, Ar, Kr, Xe

• Ne, Kr, Ar, Xe

• Xe, Ar, Kr, Ne

• Xe, Kr, Ar, Ne