Here is a resource with a descriptive approach to explaining the scientific method. It's simple, but effective for both introduction and reinforcement of this concept. 

Guide learners through an experiment with a set of worksheets on the scientific method. Six steps prompt your class to ask questions, conduct research, form a hypothesis, test theories, analyze data, and report results.

How does electricity work? Put an electric circuit into your own hands with a short experiment that makes a switch out of a battery, light bulb, and thumb tacks. Young scientists then respond to short answers about why the circuit...

In this 4-H garden project worksheet set, student study the parts of seeds and plants. They make a mini-greenhouse. They complete a career scavenger hunt, tools word search, and experiment to learn more about the effect of water on seed...

In this 4-H swine activity page worksheet, students study the parts of a hog, complete a swine word search, complete a career scavenger hunt, and develop a swine budget. They also read pig facts and learn how to select a hog while...

Which is the larger amount? Two-fourths of 10 dollars, or one-fourth of 100 dollars? This type of question is the main focus of a worksheet that has learners comparing fractions by their relative size. Each problem contains...

In this too much or too little information worksheet, students determine if they have too much or too little information to solve the word problem. Students solve four problems.

In this parentheses worksheet, students read about the uses of parentheses, then correctly place them in a set of 6 sentences.