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Science, technology, engineering, and mathematics (STEM) are cultural achievements that reflect our humanity, power our economy, and constitute fundamental aspects of our lives as citizens, consumers, parents, and members of the workforce. Providing all students with access to quality education in the STEM disciplines is important to our nation's competitiveness. However, it is challenging to identify the most successful schools and approaches in the STEM disciplines because success is defined in many ways and can occur in many different types of schools and settings. In addition, it is difficult to determine whether the success of a school's students is caused by actions the school takes or simply related to the population of students in the school.

Successful K-12 STEM Education defines a framework for understanding "success" in K-12 STEM education. The book focuses its analysis on the science and mathematics parts of STEM and outlines criteria for identifying effective STEM schools and programs. Because a school's success should be defined by and measured relative to its goals, the book identifies three important goals that share certain elements, including learning STEM content and practices, developing positive dispositions toward STEM, and preparing students to be lifelong learners. A successful STEM program would increase the number of students who ultimately pursue advanced degrees and careers in STEM fields, enhance the STEM-capable workforce, and boost STEM literacy for all students. It is also critical to broaden the participation of women and minorities in STEM fields.

Successful K-12 STEM Education examines the vast landscape of K-12 STEM education by considering different school models, highlighting research on effective STEM education practices, and identifying some conditions that promote and limit school- and student-level success in STEM. The book also looks at where further work is needed to develop appropriate data sources. The book will serve as a guide to policy makers; decision makers at the school and district levels; local, state, and federal government agencies; curriculum developers; educators; and parent and education advocacy groups.

Description	Activity	Code	Size	Cat. No.	Price
	Proteinase K (Recombinant) Molecular Biology Grade purified recombinant Tritiachium album Proteinase K produced in yeast. Free of DNase and RNase. Supplied as a lyophilized powder. Store at 2-8°C. Store at 2-8�C.	N/A	PROKR	25 mg	LS004248	$37.00	Buy Now
				100 mg	LS004249	$78.00	Buy Now
				1 gm	LS004250	$595.00	Buy Now
				Bulk	LS004252	Inquire
	Proteinase K, (Recombinant) Solution A concentrated, ready to use liquid formulation. Recombinant Proteinase K prepared at 20mg/ml in  10mM Tris-HCl, 1mM calcium acetate, pH 7.5 containing 50% glycerol. DNase- and RNase- free. Store at -20°C Store at -20�C. REQUIRES SPECIAL SHIPPING: ICE PACK	N/A	PROKRS	5 ml	LS004254	$112.00	Buy Now
				25 ml	LS004256	$450.00	Buy Now
				Bulk	LS004258	Inquire
Proteinase K A lyophilized powder. Purified to remove DNase and RNase. Store at 2-8�C.	≥20 units per mg dry weight	PROK	25 mg	LS004220	$37.00	Buy Now
			100 mg	LS004222	$78.00	Buy Now
			1 gm	LS004224	$595.00	Buy Now
			Bulk	LS004226	Inquire
Proteinase K, Solution A concentrated, ready to use liquid formulation. Proteinase K prepared at 20mg/ml in 10mM Tris-HCl, 1mM calcium acetate, pH 7.5 containing 50% glycerol. DNase- and RNase- free. Store at -20�C. REQUIRES SPECIAL SHIPPING: ICE PACK	≥400 u/ml	PROKS	5 ml	LS004240	$112.00	Buy Now
			25 ml	LS004242	$450.00	Buy Now
			Bulk	LS004244	Inquire

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