IS 7: Final Review A

Some scientists need to measure the population of deer in the area.

Should they use mark and recapture because deer move?

• True

• False

Scientists need to estimate the population of flowers in the field.

Should they use random sampling because flowers don't move?

• True

• False

A hurricane is an example of secondary succession.

• True

• False

A glacier melting is an example of secondary succession.

• False

• True

A ramp is an example of a(n) _________.

• inclined plane

• screw

A wheelbarrow is an example of a(n) ________.

• inclined plane

• wheel and axle

A see saw is an example of a _________.

• lever

• wedge

A _______ is a push or pull of an object.

• friction

• force

It will take MORE force to pull a full shopping cart than an empty shopping cart.

• true

• false

If these two kids are each pulling the wagon with 10N of force, what is the new force pulling on this wagon? (Hint 10 + 10)

• 0

• 20