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