What are the units of energy?
My door has been left open!
How much force does it need to push the door shut?
I really need to open both these jars
Which lid needs less force to twist off?
Calculate the resulting moment (turning effect force) using the formula:
Moment (Nm) = Force (N) x distance (m)
Calculate the resulting moment (turning effect force) using the formula:
Moment (Nm) = Force (N) x distance (m)
Calculate the resulting moment (turning effect force) using the formula:
Moment (Nm) = Force (N) x distance (m)
Calculate the resulting moment (turning effect force) using the formula:
Moment (Nm) = Force (N) x distance (m)
Which of these three spanners shown below would require the least effort to turn the bolt?

Microscopes are used to view things that are too small for the naked eye to see.
When using the microsope, it is important to use the__________ only when in high power.
In what order should you perform these microscope steps?
Switch to the next objective lens and refocus using the coarse and fine knobs.
Switch to the highest obective lens.
Find the object in the lowest power using the coarse knob.
Use only the fine knob on the highest power to sharpen the image.
How many chromosomes do you have?
An organism’s genotype is its
Arrange from biggest to smallest
Gene
Nucleus
DNA
Chromosomes

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