6th Unit 1 #2

Which is a method of writing a quanity as a number multiplied by ten to a power (a x 10b)?

What is the factor that is deliberately changed in an investigation called?

Which is a test model of a product?

What is the application of science and math to solve real-life problems?

Which word compares a measured value of a property with the standard value accepted for that property?

What is the use of tools, machines, materials, and processes to meet human needs?

Which word means a description that includes a number and a unit?