Introduction to Science Practices Test

Match the following steps of the scientific method to the correct description.

Information you obtain through your senses, such as touch, sound and sight.

Bob read about growing plants in water. He wanted to know how plants could grow without soil.

Which is true about hypothesis?

 Testing a hypothesis often involves a(n):

What is the correct hypothesis for "How does exercising affect your health?"

Create a hypothesis for the following question: Does music have an affect on a person's mood?

Something that you keep the same in an experiment is called a(n)

Sara wants to see if a new brand of hair dye lasts longer than the brand she currently uses. She puts the new hair dye on the left side of her head and the old brand on her right side. After 2 weeks she observes which side of her head has more gray hair showing through.

What is the independent variable?

Sara wants to see if a new brand of hair dye lasts longer than the brand she currently uses. She puts the new hair dye on the left side of her head and the old brand on her right side. After 2 weeks she observes which side of her head has more gray hair showing through.

What is the dependent variable?