Full Science Study Guide

Question 1

Controlled by the Experimenter

Answer 1

Independent Variable

Question 2

Part of the experiment that is measured for data.

Answer 2

Dependent Variable

Question 3

Water from land, oceans, and rivers becomes water vapor when it is heated by the sun.

Answer 3

Evaporation

Question 4

Plants giving off water into air = ?

Answer 4

Transpiration

Question 5

Water vapor in the air condenses as it cools to become liquid = ?

Answer 5

Condensation

Question 6

When the cloud cools, water or snow falls to the earth as some form of what?

Answer 6

Precipitation

Question 7

The outer layer of the crust can range from?

Answer 7

6 to 40 miles deep

Question 8

The crust is composted of what?

Answer 8

Huge slabs called plates

Question 9

How can the intensity of an earthquake be measured?

Answer 9

The Richter Scale

Question 10

What does a volcano do?

Answer 10

Releases pressure that has built up inside the Earth.

Question 11

A collection of living things that live in the same place and interact with each other as part of a system in which nutrients and energy flow from producers to consumers.

Answer 11

Ecosystem

Question 12

Producers example

Answer 12

Grass

Question 13

Plants breathe in what element?

Answer 13

Carbon Dioxide (CO-2)

Question 14

Plants breathe out what element?

Answer 14

Oxygen ( O-2 )

Question 15

What is Stomata?

Answer 15

Exchange of carbon dioxide to oxygen.

Question 16

All matter is made up of what?

Answer 16

Atoms

Question 17

Matter consists of:

Answer 17

Solid, liquid, gas, and plasma.

Question 18

Atom are made up of what 3 particles?

Answer 18

Protons, neutrons, and electron.

Question 19

Protons give a?

Answer 19

Plus charge

Question 20

Neutrons give a?

Answer 20

Neutral charge

Question 21

Electrons give a?

Answer 21

Negative charge.

Question 22

Atoms can combine to form what?

Answer 22

Compounds and molecules

Question 23

What is the Atomic number?

Answer 23

Number of protons present in the nucleus of an atom of that element.

Question 24

What is the Mass number of an element?

Answer 24

Total of particles (protons and neutrons) present in the nucleus.

Question 25

What is a compound?

Answer 25

A form of elements of different types bonded together.

Question 26

What is a mixture?

Answer 26

Substances form when elements and compounds mix.

Question 27

Solution is =

Answer 27

Mixture of a liquid and a solid

Question 28

A solvent is?

Answer 28

The liquid part of a solution

Question 29

A solute is a?

Answer 29

Solid part of a solution.

Question 30

When something is dissolving it’s

Answer 30

Solid becomes part of the liquid.

Question 31

Density is dependent on what?

Answer 31

Mass and how tightly packed the atoms.

Question 32

What is mass?

Answer 32

The amount of matter in an object.

Question 33

What is the density of an object?

Answer 33

Mass packed in volume.

Question 34

High density equals to?

Answer 34

Heavy and tight like bricks or glass.

Question 35

Low density is equaled to

Answer 35

Light and loose like Styrofoam and ping pong balls.

Question 36

Carbon 12?

Answer 36

Doesn’t Decay

Question 37

Carbon 14?

Answer 37

Breaks down

Question 38

Radioactive Decay?

Answer 38

Is when half of nucleus decays.

Question 39

Each radioisotope is?

Answer 39

Unique or One of a kind

Question 40

What are Amino Acids?

Answer 40

Molecules that form protein.

Question 41

Aluminum’s density will

Answer 41

Be the same always, regardless of form.

Question 42

Coliform Bacteria is the most common?

Answer 42

Containment

Question 43

Coliform bacteria experiment showed that?

Answer 43

Few bacteria grew at 10 degrees Celsius.

Question 44

The Coliform bacteria experiment showed that it grew at?

Answer 44

44.5 Celsius

Question 45

Sodium Decays after?

Answer 45

15 hrs

Question 46

Iodine decays after?

Answer 46

8.07 days

Question 47

When salt boils at higher temperature what happens?

Answer 47

Salt increases