Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

7th grade science > Test > Flashcards

Test Flashcards

1
Q

Mitochondria

A

It supplies energy to the entire cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Nucleus

A

It is the part of an cell that directs activities

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Cell Membrane

A

It is a flexible covering that protects the inside of a cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Golgi Body

A

It is the delivery truck of the cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Vacuole

A

It stores food, water & waste material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Ribosomes

A

Proteins are made on this

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Chromosomes

A

DNA is organized into chromosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Lysosomes

A

contains substances that help break down & recycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

E.R.

A

Folded membranes that help package and prepare materials for transport

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Cytoplasm

A

It takes up all the free space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cell Wall

A

It protects a a cell and it gives the plant cells there shape

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Chloroplast

A

Photosynthesis takes place here

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Independent Variable

A

Deliberately changed by the scientist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Dependent Variable

A

One observed during the experiment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Quantitative Data

A

Numbers. They are obtained by counting or measuring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Qualitative Data

A

Descriptions that involve characteristics that cannot be counted

17
Q

Constants

A

things that stay the same through out the experiment

18
Q

name the steps of the Scientific Method 1-6

A
  1. Define the problem/ask a question
  2. Form a hypothesis
  3. Test hypothesis
  4. Analyze results
  5. draw conclusions
  6. Communicate Results
19
Q

Organisms

A

Things that have all the characteristics of life are

20
Q

Cell

A

The smallest unit of life

21
Q

unicellular

A

living things that are made of only one cell

22
Q

multicellular

A

living things that are made of two or more cells

23
Q

Characteristics of Life

A 
Organisation
Growth and development
Reproduction
Respronse to Stimuli
Homeostasis
Use of energy
24
Q

What are the pieces of a microscope?

A
  1. eye piece lens
  2. Tube
  3. revolving nose piece
  4. stage clips
  5. stage
  6. fine adjustment
  7. diaphram
  8. light
  9. base
  10. objective lens
  11. course adjustment
25
Q

How do you carry a microscope?

A

hold the arm of it with one hand and the base and the cord in the other hand

26
Q

what kind of microscopes are there?

A

compound, light, electron, TEM, & SEM

27
Q

what are the steps to use a microscope?

A

plug it in, turn on the light, move the stage down, put it on low power, put the slide in with the clips.

28
Q

how many parts are in a plant cell

A

12

29
Q

how many parts are in a animal cell

A

10

30
Q

Is a cell wall plant or animal

A

plant

7th grade science (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions