STEM 2 Pretest

What is precision?

• It's repeating something over and over
• It's a big word
• Doing something over and over again in the exact same way.

What is accuracy?

• It's how close you are to a known value
• It's a car brand
• It's being precise

Which of the following is not written in binary?

• 1000001
• 1001010
• 10111211
• 1110011

What colors are represented by pixels?

• Red, Green, Blue
• Red, Yellow, Green
• Red, White, Blue
• White and black

What is a prototype?

• A working model
• A scaled representation of an idea or design
• A blue print

What is the unit to measure temperature in the metric system?

• Fahrenheit
• Kelvin
• Celsius

What does it mean to collaborate in STEM?

• Work together as a team
• Solve problems
• Build things

What are the 6 steps to the Engineer Design Process in order?

• Imagine, Design, Improve, Collaborate, Communicate, Plan
• Ask, Imagine, Plan, Create, Improve, Communicate
• Ask, Design, Imagine, Improve, Create, Communicate

Why do scientists use the metric system instead of US Standard measurements? Pick one answer!

• It's easier to convert
• It is internationally recognized
• It is standardized
• All of the above

Which simple machine is an example of technology that solves the problem of securing things together?

• screw
• staple
• pulley
• wedge