Shared Flashcard Set

Details

Life Science
N/A
13
Science
7th Grade
12/11/2009

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Cards

Term
What are cells?
Definition

Cells are the units of structure and function in living things.

[image]

Term
What did the invention of the microscope make possible?
Definition
It made it easier to discover and learn about cells.[image]
Term
An in strumeent that makes small objects look larger is a(an) ____________.
Definition

Microscope

[image]

Term
IS the following sentence true or false?  A compound microscope has only one lens.____________
Definition

False

[image]

Term
What kind of microscope did Robert Hooke use?
Definition
Compound microscope.
Term
What did Robert Hooke first look at?
Definition

Cork

[image]

Term
What kind of Microscope did Anton van Leeunhoek use?
Definition
a simple microscope.
Term
What did Anton van Leeuwenhoek first look at?
Definition
lake water, scrapings from teeth and gums, and water from gutters.
Term
Three points of cell theory.
Definition

1. All living things are composed of cells.

2. cells are the basic units of structure and function in a living thing

3.All cells are produced from other cells.

Term
Magnifacation
Definition

Magnifacation is the ability to make things look larger than they actually are.

[image]

Term
How do lenses of a microscope make an obkect look larger?
Definition
They bend the light that passes through them.
Term
In a convex lense the (1)_____________ of the lanseis thicker than the (2)__________.
Definition

1. center

2.edge

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