Gravity
Microgravity
Body Systems
Graphs, Tables, Charts
Variables
100
What is gravity
A force by which a body draws objects toward its center.
100
What does "Micro" mean?
Little/small/tiny
100
What happens to our bones in muscles when we are in space?
Our bones and muscles get weak/brittle.
100
What is the scientist changing in this experiment?
Type of pizza.
100
What is the independent variable?
Variable that the scientist changes.
200
What is mass?
Amount of matter an object has.
200
Is there gravity in space?
Yes
200
How can we strengthen our bones in muscles in space
Exercising
200
Looking at this graph, what is the independent and dependent variable?
IV: Weeks of practice
DV: Words per minute
200
What is the dependent variable?
Variable that is being measured.
300
Everything with ______________ has gravity.
Mass
300
What is Microgravity?
The condition in which people or objects appear to be weightless.
300
What is Osteoporosis?
A condition where bones become weak and brittle.
300
What can you say about the relationship between weeks of practice and words per minute?
As weeks of practice____ then words per minute____
As weeks of practice increases then words per minute increases.
300
What is the controlled variable?
Variable that we keep the same throughout an experiment.
400
Will my mass on Earth be the same or different from my mass on Mars?
Same
400
Give an example of how gravity works in space.
Answers will vary
400
What is muscle atrophy?
Wasting or loss of muscle tissue.
400
Earth: Mass= 65, Gravity= 1, and Weight= 65
Mars: Mass= 65, Gravity= 0.38, Weight= 24.7
What would my weight be on Venus if my Mass= 65 and Gravity= 0.9?
58.5
400
How many independent variables can we have in an experiment?
1
500
What is the differences between mass and weight?
Mass is the amount of matter in an object.
Weight is the amount of force exerted on an object.
500
Any motion of a body where gravity is the only force acting upon it and there is NO air resistance.
Free Fall
500
What body systems are affected by microgravity?
nervous, muscular, skeletal system.
500
What conclusion can we make based on the data in the table?
Answers will vary.
500
What is a procedure?
Step by step directions to carry out an experiment.