1St Nine Weeks Science Exam

Front 1

What do chloroplast do in plant cells?

Back 1

make food

Front 2

3 concepts of cell theory

Back 2

1. All cells come from pre-existing cells.

2. Cells are the basic unit of life.

3. All organisms can be either single or multi-cellular.

Front 3

What does the mitochondria in a cell do?

Back 3

provides power

Front 4

What does the nucleus do?

Back 4

controls the activities of the cell

Front 5

What do zebras and algae have in common?

Back 5

both are organisms made of cells

Front 6

Provides support and protection for the cell

Back 6

cell membrane and cell wall

Front 7

cell structure that is found in plants but not

animals

Back 7

cell wall

Front 8

stores food and water in the cell

Back 8

vacuoles

Front 9

How are vacuoles different in plant cells and animal cells?

Back 9

Animals do not need to store as much food and water as plants do.

Front 10

What happens before new scientific knowledge is accepted by a scientific community?

Back 10

Results are debated, analyzed, and repeated by other scientists.

Front 11

Level of organization that is most complex in terms of size and structure

Back 11

organism level

Front 12

Controls what enters and leaves the cell

Back 12

Cell membrane

Front 13

What is the level of organization of the kidneys?

Back 13

organ

Front 14

What do scientists do?

Back 14

use skills such as observing, inferring, predicting, classifying evaluating, and making models to study the world.

Front 15

To group things together that are alike in some way

Back 15

classifying

Front 16

Steps to plan and carry out a scientific investigation

Back 16

1. identify variables

2. collect data

3. organize data

4. defend your conclusions

Front 17

Scientific knowledge changes when...

Back 17

there is new evidence or new interpretations of existing evidence.

Front 18

A group of parts that work together to perform a function or produce a result

Back 18

system

Front 19

Well-tested explanation for a wide range of observations or experimental results

Back 19

scientific theory

Front 20

statement that describes what scientists expect to happen every time under a particular set of conditions

Back 20

scientific law