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  • Erosion: Changing Earth's Surface (Amazing Science)

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Buy from Amazon $7.95$1.87 $10.00 $6.67 $3.33 $0.00 Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $7.16, Dec 16 - Jun 10$7.16, Dec 16 - Jun 10$4.27, May 3 - May 9$4.07, May 3 - May 11$7.16, Dec 16 - Jun 10$4.46, May 9 - May 24$4.07, May 3 - May 11$7.16, Dec 16 - Jun 10$4.46, May 9 - May 24$4.12, May 12 - May 15$7.16, Dec 16 - Jun 10$4.46, May 9 - May 24$4.15, May 17 - May 24$7.16, Dec 16 - Jun 10$3.52, May 24 - May 29$3.43, May 24 - May 29$7.16, Dec 16 - Jun 10$4.46, May 29 - Jun 12$4.15, May 29 - Jun 7$7.16, Dec 16 - Jun 10$4.46, May 29 - Jun 12$4.39, Jun 10 3:25 am$7.15, Jun 10 - Sep 28$4.46, May 29 - Jun 12$4.27, Jun 12 - Jun 13$7.15, Jun 10 - Sep 28$5.96, Jun 13 - Jun 18$5.78, Jun 13 - Jun 15$7.15, Jun 10 - Sep 28$5.96, Jun 13 - Jun 18$5.76, Jun 16 - Jun 17$7.15, Jun 10 - Sep 28$6.03, Jun 18 9:04 am$5.96, Jun 13 - Jun 18$7.15, Jun 10 - Sep 28$4.37, Jun 19 - Jun 20$4.08, Jun 19 - Jun 20$7.15, Jun 10 - Sep 28$4.50, Jun 21 - Jul 7$4.48, Jun 22 4:41 am$7.15, Jun 10 - Sep 28$4.50, Jun 21 - Jul 7$4.49, Jun 23 - Jun 25$7.15, Jun 10 - Sep 28$4.50, Jun 21 - Jul 7$4.46, Jun 27 3:07 pm$7.15, Jun 10 - Sep 28$4.50, Jun 21 - Jul 7$4.44, Jun 29 4:33 am$7.15, Jun 10 - Sep 28$4.50, Jun 21 - Jul 7$4.38, Jul 2 3:10 am$7.15, Jun 10 - Sep 28$4.50, Jun 21 - Jul 7$4.33, Jul 4 11:47 am$7.15, Jun 10 - Sep 28$4.50, Jun 21 - Jul 7$4.29, Jul 5 3:21 pm$7.15, Jun 10 - Sep 28$4.28, Jul 8 9:32 am$4.24, Jul 8 - Jul 10$7.15, Jun 10 - Sep 28$4.26, Jul 10 8:14 pm$4.24, Jul 8 - Jul 10$7.15, Jun 10 - Sep 28$3.52, Jul 12 - Jul 16$3.43, Jul 12 - Jul 13$7.15, Jun 10 - Sep 28$3.52, Jul 12 - Jul 16$3.42, Jul 14 - Jul 16$7.15, Jun 10 - Sep 28$3.38, Jul 17 - Jul 21$3.30, Jul 17 12:06 pm$7.15, Jun 10 - Sep 28$3.38, Jul 17 - Jul 21$3.29, Jul 18 - Jul 21$7.15, Jun 10 - Sep 28$3.22, Aug 1 - Aug 8$3.13, Aug 1 - Aug 8$7.15, Jun 10 - Sep 28$3.33, Aug 12 - Aug 18$3.24, Aug 12 - Aug 18$7.15, Jun 10 - Sep 28$3.22, Aug 20 - Aug 29$3.14, Aug 22 3:10 am$7.15, Jun 10 - Sep 28$3.22, Aug 20 - Aug 29$3.13, Aug 23 - Aug 29$7.15, Jun 10 - Sep 28$3.25, Aug 30 - Sep 2$2.96, Aug 30 4:13 pm$7.15, Jun 10 - Sep 28$3.25, Aug 30 - Sep 2$2.49, Sep 2 1:02 am$7.15, Jun 10 - Sep 28$3.23, Sep 3 - Sep 4$2.08, Sep 4 10:20 am$7.15, Jun 10 - Sep 28$3.22, Sep 5 - Sep 6$1.95, Sep 5 2:46 pm$7.15, Jun 10 - Sep 28$3.23, Sep 8 - Sep 9$1.87, Sep 6 - Sep 24$7.15, Jun 10 - Sep 28$3.22, Sep 10 - Sep 13$1.87, Sep 6 - Sep 24$7.15, Jun 10 - Sep 28$3.21, Sep 15 - Sep 29$1.87, Sep 6 - Sep 24$7.15, Jun 10 - Sep 28$3.21, Sep 15 - Sep 29$3.12, Sep 25 - Sep 28$6.84, Sep 29 - Sep 30$3.29, Sep 30 - Oct 17$2.84, Sep 29 - Sep 30$7.15, Oct 1 - Nov 15$3.29, Sep 30 - Oct 17$3.15, Oct 1 - Oct 14$7.15, Oct 1 - Nov 15$3.29, Sep 30 - Oct 17$3.21, Oct 16 - Oct 17$7.15, Oct 1 - Nov 15$3.35, Oct 18 7:11 am$3.27, Oct 18 7:11 am$7.15, Oct 1 - Nov 15$3.55, Oct 19 - Oct 28$3.46, Oct 19 - Oct 24$7.15, Oct 1 - Nov 15$3.55, Oct 19 - Oct 28$3.45, Oct 26 - Oct 28$7.15, Oct 1 - Nov 15$3.15, Oct 31 3:05 pm$3.14, Oct 31 3:05 pm$7.15, Oct 1 - Nov 15$3.55, Nov 3 - Nov 12$3.54, Nov 3 - Nov 12$7.15, Oct 1 - Nov 15$3.67, Nov 15 - Dec 9$3.66, Nov 15 - Dec 9$7.07, Nov 17 - Nov 21$3.67, Nov 15 - Dec 9$3.66, Nov 15 - Dec 9$7.95, Nov 22 - Apr 25$3.67, Nov 15 - Dec 9$3.66, Nov 15 - Dec 9$7.95, Nov 22 - Apr 25$3.83, Dec 11 - Dec 13$3.82, Dec 11 - Dec 13$7.95, Nov 22 - Apr 25$3.82, Dec 15 9:34 pm$3.81, Dec 15 9:34 pm$7.95, Nov 22 - Apr 25$3.83, Dec 17 8:23 pm$3.82, Dec 17 8:23 pm$7.95, Nov 22 - Apr 25$3.85, Dec 20 3:17 pm$3.84, Dec 20 3:17 pm$7.95, Nov 22 - Apr 25$3.70, Dec 23 11:06 pm$3.69, Dec 23 11:06 pm$7.95, Nov 22 - Apr 25$3.56, Dec 25 - Jan 2$3.56, Dec 25 - Jan 2$7.95, Nov 22 - Apr 25$3.80, Jan 9 - Jan 11$3.58, Jan 9 - Jan 14$7.95, Nov 22 - Apr 25$3.79, Jan 12 - Jan 14$3.58, Jan 9 - Jan 14$7.95, Nov 22 - Apr 25$3.78, Jan 15 - Jan 26$3.77, Jan 15 - Jan 26$7.95, Nov 22 - Apr 25$3.77, Jan 27 5:29 pm$3.76, Jan 27 - Jan 28$7.95, Nov 22 - Apr 25$3.76, Jan 28 - Feb 4$3.75, Jan 29 - Feb 4$7.95, Nov 22 - Apr 25$3.74, Feb 5 6:27 pm$3.73, Feb 5 6:27 pm$7.95, Nov 22 - Apr 25$3.72, Feb 7 - Feb 8$3.71, Feb 8 12:38 pm$7.95, Nov 22 - Apr 25$3.71, Feb 10 - Feb 11$3.70, Feb 10 - Feb 11$7.95, Nov 22 - Apr 25$3.70, Feb 13 - Feb 17$3.69, Feb 13 - Feb 17$7.95, Nov 22 - Apr 25$3.72, Feb 19 - Mar 4$3.71, Feb 19 - Mar 4$7.95, Nov 22 - Apr 25$3.71, Mar 6 - Mar 17$3.70, Mar 6 - Mar 17$7.95, Nov 22 - Apr 25$3.69, Mar 20 5:08 am$3.65, Mar 20 5:08 am$7.95, Nov 22 - Apr 25$3.66, Mar 22 2:36 pm$3.65, Mar 22 2:36 pm$7.95, Nov 22 - Apr 25$3.69, Mar 24 - Mar 28$3.68, Mar 24 - Mar 28$7.95, Nov 22 - Apr 25$3.68, Mar 30 5:37 pm$3.67, Mar 30 5:37 pm$7.95, Nov 22 - Apr 25$3.67, Mar 31 - Apr 5$3.66, Mar 31 - Apr 5$7.95, Nov 22 - Apr 25$3.68, Apr 7 - Apr 9$3.67, Apr 7 - Apr 9$7.95, Nov 22 - Apr 25$3.67, Apr 11 - Apr 17$3.66, Apr 11 - Apr 21$7.95, Nov 22 - Apr 25$3.68, Apr 18 - Apr 25$3.66, Apr 11 - Apr 21$7.95, Apr 27 - Apr 30$3.68, Apr 27 - Apr 30$3.65, Apr 27 - Apr 30$7.15, May 2 - May 26$3.73, May 2 - May 5$3.15, May 2 - May 7$7.15, May 2 - May 26$3.15, May 2 - May 7$3.00, May 7 - Jun 24$7.15, May 2 - May 26$3.00, May 7 - Jun 24$2.99, May 9 - May 20$7.15, May 2 - May 26$3.00, May 7 - Jun 24$2.92, May 22 11:15 am$7.15, May 2 - May 26$3.00, May 7 - Jun 24$2.86, May 24 1:19 pm$7.15, May 2 - May 26$3.00, May 7 - Jun 24$2.78, May 26 5:22 pm$7.95, May 31 - Jun 16$3.00, May 7 - Jun 24$2.62, May 31 6:23 am$7.95, May 31 - Jun 16$3.00, May 7 - Jun 24$2.54, Jun 4 8:56 pm$7.95, May 31 - Jun 16$3.00, May 7 - Jun 24$2.40, Jun 9 4:34 am$7.95, May 31 - Jun 16$3.00, May 7 - Jun 24$2.34, Jun 11 3:24 am$7.95, May 31 - Jun 16$3.00, May 7 - Jun 24$2.84, Jun 14 - Jun 16OOS $7.15, Jun 20 - Jul 2$3.00, May 7 - Jun 24$2.61, Jun 20 3:52 pmOOS $7.15, Jun 20 - Jul 2$3.00, May 7 - Jun 24$2.99, Jun 24 10:34 amOOS $7.15, Jun 20 - Jul 2$4.09, Jun 28 - Jun 30$4.07, Jun 28 12:50 pmOOS $7.15, Jun 20 - Jul 2$4.09, Jun 28 - Jun 30$4.03, Jun 30 2:07 pmOOS $7.15, Jun 20 - Jul 2$4.08, Jul 2 4:57 pm$4.02, Jul 2 4:57 pm$7.15, Jul 7 - Aug 3$3.73, Jul 7 12:40 am$3.12, Jul 7 12:40 am$7.15, Jul 7 - Aug 3$3.67, Jul 12 1:04 pm$2.97, Jul 12 1:04 pm$7.15, Jul 7 - Aug 3$3.72, Jul 16 5:27 am$2.89, Jul 16 5:27 am$7.15, Jul 7 - Aug 3$3.72, Jul 19 11:09 pm$2.83, Jul 19 11:09 pm$7.15, Jul 7 - Aug 3$3.74, Jul 23 11:46 am$2.76, Jul 23 11:46 am$7.15, Jul 7 - Aug 3$3.72, Jul 27 - Jul 30$2.66, Jul 27 1:09 am$7.15, Jul 7 - Aug 3$3.72, Jul 27 - Jul 30$2.57, Jul 30 3:14 pm$7.15, Jul 7 - Aug 3$3.66, Aug 3 5:00 am$2.47, Aug 3 5:00 am$7.07, Aug 6 - Aug 12$3.64, Aug 6 - Aug 12$2.32, Aug 8 6:13 pm$7.07, Aug 6 - Aug 12$3.64, Aug 6 - Aug 12$2.23, Aug 12 1:05 pm$6.46, Aug 16 - Aug 20$3.62, Aug 16 - Aug 23$2.13, Aug 16 6:54 am$6.46, Aug 16 - Aug 20$3.62, Aug 16 - Aug 23$2.08, Aug 18 5:42 am$6.46, Aug 16 - Aug 20$3.62, Aug 16 - Aug 23$3.61, Aug 20 - Aug 23$6.86, Aug 23 - Aug 25$3.62, Aug 16 - Aug 23$3.61, Aug 20 - Aug 23$6.86, Aug 23 - Aug 25$3.61, Aug 25 9:04 pm$3.60, Aug 25 9:04 pm$6.79, Aug 27 - Sep 14$3.60, Aug 27 - Sep 2$3.59, Aug 27 7:24 pm$6.79, Aug 27 - Sep 14$3.60, Aug 27 - Sep 2$2.76, Aug 29 5:19 pm$6.79, Aug 27 - Sep 14$3.60, Aug 27 - Sep 2$2.66, Sep 2 11:29 am$6.79, Aug 27 - Sep 14$3.63, Sep 6 - Sep 16$2.56, Sep 6 9:27 am$6.79, Aug 27 - Sep 14$3.63, Sep 6 - Sep 16$2.50, Sep 8 9:08 am$6.79, Aug 27 - Sep 14$3.63, Sep 6 - Sep 16$2.42, Sep 12 6:30 am$6.79, Aug 27 - Sep 14$3.63, Sep 6 - Sep 16$3.62, Sep 14 - Sep 16$6.72, Sep 16 - Sep 24$3.63, Sep 6 - Sep 16$3.62, Sep 14 - Sep 16$6.72, Sep 16 - Sep 24$3.62, Sep 18 3:59 am$3.61, Sep 18 3:59 am$6.72, Sep 16 - Sep 24$3.61, Sep 20 - Sep 22$3.60, Sep 20 - Sep 24$6.72, Sep 16 - Sep 24$3.60, Sep 20 - Sep 24$3.60, Sep 24 3:29 am$6.65, Sep 26 - Oct 4$3.59, Sep 26 - Sep 28$3.58, Sep 26 - Sep 28$6.65, Sep 26 - Oct 4$3.57, Oct 2 - Oct 8$3.56, Oct 2 - Oct 8$6.58, Oct 6 - Oct 18$3.57, Oct 2 - Oct 8$3.56, Oct 2 - Oct 8$6.58, Oct 6 - Oct 18$3.60, Oct 10 1:10 pm$3.59, Oct 10 1:10 pm$6.58, Oct 6 - Oct 18$3.58, Oct 16 12:38 pm$3.57, Oct 16 12:38 pm$6.58, Oct 6 - Oct 18$3.59, Oct 18 - Oct 28$3.58, Oct 18 - Oct 22$6.51, Oct 20 - Oct 28$3.59, Oct 18 - Oct 28$3.58, Oct 18 - Oct 22$6.51, Oct 20 - Oct 28$3.59, Oct 18 - Oct 28$2.08, Oct 26 - Dec 14$6.52, Oct 30 - Nov 9$3.71, Oct 30 - Nov 9$2.08, Oct 26 - Dec 14$6.53, Nov 11 - Nov 18$3.70, Nov 11 - Nov 29$2.08, Oct 26 - Dec 14$6.54, Nov 20 - Nov 29$3.70, Nov 11 - Nov 29$2.08, Oct 26 - Dec 14$6.55, Dec 1 - Dec 4$3.69, Dec 1 - Dec 27$2.08, Oct 26 - Dec 14$6.56, Dec 9 - Dec 27$3.69, Dec 1 - Dec 27$2.08, Oct 26 - Dec 14$6.56, Dec 9 - Dec 27$3.69, Dec 1 - Dec 27$2.09, Dec 17 - Feb 2$6.57, Jan 1 - Jan 11$3.68, Jan 1 - Jan 11$2.09, Dec 17 - Feb 2$6.58, Jan 13 - Jan 21$3.67, Jan 13 2:48 pm$2.09, Dec 17 - Feb 2$6.58, Jan 13 - Jan 21$3.63, Jan 18 3:25 pm$2.09, Dec 17 - Feb 2$6.58, Jan 13 - Jan 21$4.04, Jan 21 - Jan 23$2.09, Dec 17 - Feb 2$6.51, Jan 23 - Jan 31$4.04, Jan 21 - Jan 23$2.09, Dec 17 - Feb 2$6.51, Jan 23 - Jan 31$4.20, Jan 26 - Jan 31$2.09, Dec 17 - Feb 2$6.44, Feb 2 - Feb 8$3.79, Feb 2 9:47 pm$2.09, Dec 17 - Feb 2$6.44, Feb 2 - Feb 8$4.03, Feb 5 - Mar 1$3.78, Feb 5 - Feb 8$6.37, Feb 10 - Feb 18$4.03, Feb 5 - Mar 1$3.77, Feb 10 4:18 pm$6.37, Feb 10 - Feb 18$4.03, Feb 5 - Mar 1$3.76, Feb 13 8:04 am$6.37, Feb 10 - Feb 18$4.03, Feb 5 - Mar 1$3.75, Feb 18 4:41 pm$6.30, Feb 24 - Feb 26$4.03, Feb 5 - Mar 1$3.74, Feb 24 - Mar 1$7.95, Mar 1 - Apr 5$4.03, Feb 5 - Mar 1$3.74, Feb 24 - Mar 1$7.95, Mar 1 - Apr 5$3.80, Mar 6 - Mar 30$3.72, Mar 6 - Mar 12$7.95, Mar 1 - Apr 5$3.80, Mar 6 - Mar 30$3.64, Mar 18 10:37 am$7.95, Mar 1 - Apr 5$3.80, Mar 6 - Mar 30$3.62, Mar 24 - Mar 30$7.95, Mar 1 - Apr 5$4.41, Apr 5 3:58 am$3.94, Apr 5 3:58 am 27,619593,235 468,750 312,500 156,250 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $7.95 Apr 5, '16
Highest $7.95 Mar 1, '16
Lowest $6.30 Feb 24, '16
Average $7.95 (30d avg)
$7.04 (90d avg)
$6.79 (180d avg)
$7.01 (365d avg)
$7.22 (Lifetime average)
Added Dec 16, 2013

3rd Party New

Latest $3.94 Apr 5, '16
Highest $6.03 Jun 18, '14
Lowest $3.00 May 7, '15
Average $3.66 (30d avg)
$3.77 (90d avg)
$3.72 (180d avg)
$3.60 (365d avg)
$3.64 (Lifetime average)
Added Dec 16, 2013

3rd Party Used

Latest $4.41 Apr 5, '16
Highest $5.96 Jun 13, '14
Lowest $1.87 Sep 6, '14
Average $3.80 (30d avg)
$3.30 (90d avg)
$2.84 (180d avg)
$2.95 (365d avg)
$3.27 (Lifetime average)
Added Dec 16, 2013

Sales Rank

30 day average: 123,341
90 day average: 149,147

Product Description

Did you know that rain, waves, wind, snow, and ice can change the shape of Earths surface? They can create valleys, sea stacks, caves, and rock arches. Learn about the natural forces of erosion and how they shape the land.

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