Study

Question 1

Goal of science is not

Answer 1

Not something that can’t be proven

Question 2

Steps of an experiment

Answer 2

Observe, ask a question, form an hypothesis, set up a controlled experiment, make a conclusion.

Question 3

Hypothesis

Answer 3

Educated guess

Question 4

Controlled experiment

Answer 4

Whenever one variable is changed at a time

Question 5

Why do scientist publish their experiments?

Answer 5

Other scientist can see their work and further test it.

Question 6

Theory

Answer 6

Well tested explanation that unifies a broad range of observations

Question 7

Biology

Answer 7

Understanding the living world

Question 8

5 characteristics of all living things

Answer 8

Reproduce, made up of units called cells, grow and develop, respond to their environment, based on a universal genetic code.

Question 9

Homeostasis

Answer 9

Organisms keep their internal conditions stable

Question 10

Metabolism

Answer 10

Combination of chemical reactions through which an organism breaks down materials as it carries out life processes

Question 11

Microscope

Answer 11

Tool that helps you see things that are to small to be seen with the naked eye

Question 12

Cell culture

Answer 12

A group of cells develops from a single cell

Question 13

Cell fractionation

Answer 13

A cell is separated into different parts

Question 14

Three particles that make up an atom

Answer 14

Neuton, proton, electron.

Question 15

Where are the particles of an atom located?

Answer 15

Neutron-inside the nucleus
Proton- inside the nucleus
Electron- orbiting the outside

Question 16

Isotope

Answer 16

Different number of neutrons

Question 17

Species

Answer 17

Group of organisms so similar to one another that they can breed and produce fertile offspring

Question 18

Population

Answer 18

Group of individuals that belong to the same species and live in the same area

Question 19

Community

Answer 19

Assemblages of different populations that live together in a defined area a

Question 20

Ecosystem

Answer 20

Collection of all organisms that live in a particular place, together with their non living, or physical, environment.

Question 21

Biome

Answer 21

Group of ecosystems that have the same climate and similar dominant communities

Question 22

Biosphere

Answer 22

Contains the combined portions of the planet in which all life exists, including land, water, and air, or atmosphere.

Question 23

Basic unit of matter

Answer 23

Atom

Question 24

Element

Answer 24

Substance made entirely of one atom

Question 25

First ten elements

Answer 25

Hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon.

Question 26

Inference

Answer 26

Idea or conclusion that's drawn from evidence and reasoning

Question 27

Cell

Answer 27

Basic building block of all living things

Question 28

Metric system

Answer 28

Common units of measurement

Question 29

Atom

Answer 29

Basic building block of ordinary matter.

Question 30

Data

Answer 30

Raw facts

Question 31

Redi's experiment

Answer 31

You should know this

Question 32

Spontaneous generation

Answer 32

Production of living organisms from non living matter

Question 33

Covalent bond

Answer 33

Chemical bond that that involves sharing of electron pairs between atoms.

Question 34

Ionic bond

Answer 34

Involves electrostatic attraction between oppositely charged electrons

Question 35

Herbivores

Answer 35

Only eat plants

Question 36

Omnivores

Answer 36

Eat plants and meat

Question 37

Carnivores

Answer 37

Eat meat

Question 38

Detritivores

Answer 38

Feeds on dead matter

Question 39

Decomposers

Answer 39

Break down dead organisms

Question 40

Main source of energy in an ecosystem

Answer 40

Sun

Question 41

Autotroph

Answer 41

Produces its own food

Question 42

Heterotroph

Answer 42

Depends on producers for food

Question 43

Food chain

Answer 43

Sequence of who eats whom in a biological community

Question 44

Food web

Answer 44

Connection of food chains

Question 45

Trophic level

Answer 45

Position a organism occupies in a food chain

Question 46

Ecological pyramid

Answer 46

Shows the bio,ass at each trophic level

Question 47

Biomass

Answer 47

Biological material derived from living or recently living organisms

Question 48

Photosynthesis

Answer 48

Process where a plant you light energy from the sun to make into chemical energy later released to fuel the organisms activities

Question 49

Chemosynthesis

Answer 49

Conversion of one or more carbon molecules and nutrients into organic matter

Question 50

Nitrogen fixation

Answer 50

When nitrogen on the atmosphere is converted into ammonia

Question 51

Denitrification

Answer 51

Remove the nitrates form soil, air, or water by chemical reduction

Question 52

Primary productivity

Answer 52

Rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances

Question 53

Limiting nutrient

Answer 53

The nutrient that causes change if taken away

Question 54

How does a limiting nutrient affect a ecosystem

Answer 54

If it doesn't have the limiting nutrient no growth can occur

Question 55

Responding variable

Answer 55

The variable that is in response to the manipulated variable

Question 56

Manipulated variable

Answer 56

The variable that is changed

Question 57

Why is it important to only change one variable at a time

Answer 57

So you will know which variable caused the change

Question 58

Goal of science

Answer 58

To investigate and understand the natural world, to explain events in the natural world, and to use those explanations to make useful predictions