Safety Work Inclined Planes Skeletal System Muscular System
Jan 06, 2016
SafetyWork
Inclined PlanesSkeletal System
Muscular System
What is the most important rule in the lab?
Always listen to your teacher!
Alma was dissecting a chicken wing when she accidently cut her finger.
The cut was small and didn’t hurt too bad. What should Alma do?
Tell the teacher immediately!
What is force?
A push or a pull
Which of the following listed below is an example of a force being applied?
A) Looking into binocularsB) Your nose smelling a flower
C) Pulling a dumbellD) Watching the TV
C
What is work?
The use of force to move an object through a distance
Which of the following is an example of work being done?
A) Harry Potter hitting the QuaffleB) Hermoine holding a book
C) Ron pushing against a wallD) Voldermort pushing against Harry,
but neither is moving
A
In which of the following examples is there no work being done?
A) Peeta pushing a sack of flower across the room
B) Katniss shooting a bow and arrowC) Gale watching the Hunger Games on TV
D) Katniss throwing a knife
C
Why do we use inclined planes? (Hint: what do they
make easier)
They reduce the amount of force
When we use an inclined plane, what ALWAYS stays the same?
The amount of work being done
What increases when use an inclined plane?
Distance
If we increase the height an inclined plane, what is going to happen to the amount of force required to move something up
that ramp?
The amount of force required will increase
List the levels of organization of living systems from least to most complex.
(tissues, organ system, cell, organism, organ
Cells, tissues, organs, organ systems, organism
Which body system is represented by the picture shown below?
Skeletal System
What are some examples of organs in the body?
Heart, lungs, brain, etc
What is a function that both the muscular system and the skeletal
system have in common?
both aid in movement
What body system is responsible for producing
blood cells?
Skeletal System
What is the main function of the muscular
system?
Movement
Without the forces provided by the _____________ system we would
not be able to do work
Muscular
What system is responsible for body structure?
Skeletal System
What is an independent variable?
A variable that I change in an experiment
What is a dependent variable?
A variable that changes because of the independent
variable
Jana wants to do an experiment to determine what brand of popcorn pops the
most kernels in the bag. What would be the independent variable in this
experiment?
Brand of popcorn
What is responsible for connecting bone to
muscle?
Tendons
Babies have 300 bones when they are born. Adults have 206. How
do we “lose” those extra bones as we get older?
Small bones connect with larger bones to create one big
bone
When conducting an experiment w/ an unknown substance, Alberisha found that
when touched with electrical wires nothing happened, the substance was not shiny, and broke easily. How would you classify
this substance?
Nonmetal
Brandon used a triple beam balance and determined that the mass of the rock shown was 274g. Use the image
below to determine the volume?
D=27.4 g/mL
What energy transformations take place when a battery-operated
radio is in use?
Chemical Electrical Sound