Air And Aerodynamics Test

Question 1

The 2nd Property of Air?

Answer 1

Air has weight-air pressure, air presses on things in all directions

Question 2

The 3rd Property of Air is?

Answer 2

Air has Kinetic Energy-air particles are constantly moving and colliding with each other

Question 3

What is the 4th Property of Air?

Answer 3

Air can be compressed- air can be squeezed into a container

Question 4

What is the 5th Property of Air?

Answer 4

Air resists being compressed- Although it can be compressed air resists being compressed

Question 5

The 1st Property of Air is?

Answer 5

The properties of air- air is a mixture of invisible gases

Question 6

What is the 6th Property of Air?

Answer 6

Air expands and contracts-when air molecules are warm they expand, when they are cold they contract

Question 7

What is the last Property of Air?

Answer 7

Air is a fluid-it can have currents and waves

Question 8

Which gases are most common in the air?

Answer 8

78% of our air is nitrogen, 21% of our air is oxygen

Question 9

What are three ways to prove that oxygen is in our air?

Answer 9

1. Fire
2. Rusting in Metal
3. Oxidation in fruit

Question 10

What are the steps in a Scientific Procedure?

Answer 10

Problem-question
Hypothesis-idea
Materials-supplies
Procedure-steps
Observation-observe
Conclusion-inference and answer

Question 11

What are the three types of variables? What does each one mean?

Answer 11

Manipulated Variable-condition that is changed
Controlled Variable-conditions that remain the same
Responding Variable-the result