Science Skills
Theories and Laws
Cell Theory
Cell Structures
Types of Cells & Protists
100

What is the factor in an experiment that you change on purpose?

Independent Variable

100

A well-supported explanation of nature based on evidence is called _____________

Scientific theory

100

All living things are made of _____.

Cells

100

Organelle that controls the cell

Nucleus

100

Cells with no nucleus

Prokaryotes

200

Why must experiments be replicable?

To ensure accuracy, reliability

200

A description of a relationship in nature under certain conditions is called a ________________.

Scientific Law

200

All cells come from _____________ cells.

Pre-existing

200

Organelle that makes energy

Mitochondria

200

Cells with a nucleus and membrane bound organelles

Eukaryotes

300

Tool used to view cells

Microscope

300

Can theories change with new evidence?

Yes

300

Cells are the basic unit of ________.

Life

300

Two organelles that are only found in plant cells

Chloroplast, cell wall

300

Bacteria are __________ cells.

Prokaryotic

400

What is the role of a model?

Explain ideas

400

Do laws explain why or what?

What!

400

Organisms made of only one cell are called ____________.

Unicellular

400

Organelle that stores water and food

Vacuole

400

Protists are usually ________ organisms. 

Unicellular

500

What is the factor you measure in an experiment

Dependent Variable

500

Theories in science differ from theories in ___________.

Everyday life

500

The theory that states all living things are made of cells is the ____________.

Cell Theory

500

Jelly-like material that holds organelles

Cytoplasm

500

Protists that make their own food are called __________.

Autotrophs