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Grade 4

1364 records found. Displaying 1345 - 1356.

 
Blastoff! Readers Level 4 · Sports

Swimming

People swim for many different reasons—recreation, exercise, or competition. The goal of competitive swimming is to be the fastest in a variety of events featuring different strokes. Kids… More →

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Military

M109A6 Paladins

The M109A6 Paladin is a large, mobile howitzer. It can fire rounds several miles to support ground forces. Readers will learn about the features that make the Paladin successful, how it… More →

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Military

B-52 Stratofortresses

The B-52 Stratofortress has been in service for over fifty years. It is a model of consistency for long-range bombers. Readers will explore the technology behind the B-52, the weapons it… More →

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Military

B-1B Lancers

The United States Air Force uses B-1B Lancers as strategic bombers. A B-1B Lancer can carry over 125,000 pounds of bombs! Kids will discover the history of the Lancer, the technology behind… More →

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Military

M2A2 Bradleys

The M2A2 is an infantry fighting vehicle (IFV) used by the United States Armed Forces. It transports, assists, and protects infantry. Students will learn about the history and technology… More →

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Military

Nimitz Aircraft Carriers

The largest capital ships in the world, Nimitz aircraft carriers are filled with cutting-edge technology and several kinds of planes. Students will discover the history, technology, and… More →

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Military

A-10 Thunderbolts

Initially developed to provide close air support for ground vehicles and troops, the A-10 has become an extremely valuable tool for the United States Air Force. Students will discover its… More →

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Military

F-15 Eagles

Once the backbone of the United States Air Force, the F-15 Eagle was heavily armed for air-to-air combat. Today, newer fighters with better technology are overshadowing it. Students will find More →

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Military

F-22 Raptors

The F-22 Raptor might be the most advanced fighter plane in the world. Using stealth technology, it can carry out ground attack missions, electronic warfare missions, and dominate the skies.… More →

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