Understanding Science
Cells and Life
The Cell
100

What are the THREE branches of science?

Life science, Earth science, and Physical science

100

Who built a microscope more than 300 years ago and used it to look at cork. He also came up with the name “Cell”?

Robert Hooke

100

What is a stiff structure outside the cell membrane of plants?

Cell wall

200

What is another word for Life Science?

Biology

200

Who concluded that all plants are made of cells?

Mathias Schleiden

200

What is the tiniest organelle?

Ribosome

300

What is using one or more of your senses to gather information and take note of what occurs?

Observation

300

Who concluded that all animals are made of cells?

Theodor Schwann

300

What is the powerhouse of the cell?

Mitochondria

400

What is a possible explanation about an observation that can be tested by scientific investigations?

Hypothesis

400

Who concluded that all cells come from other cells?

Rudolf Virchow

400

What is described as long, tail-like appendages that whip back and forth and move the cell?

Flagella

500

What is an explanation of observations or events based on knowledge gained from many observations and investigations?

Scientific theory

500

Who used microscopes to view many things including bacteria and blood cells?

Anton Van Leeuwenhoek

500

What organelle is the part of a eukaryotic cell that directs cell activities and contains genetic information stored in DNA?

Nucleus

M
e
n
u