Lab Exam

Question 1

Abiotic

Answer 1

All non living things

Question 2

Biotic

Answer 2

Living things

Question 3

Water cycle

Answer 3

Accumulation
Evaporation
Transpiration
Condensation
Precipitation
Runoff

Question 4

Producer

Answer 4

An organism that makes its own food from abiotic sources

Question 5

Consumer

Answer 5

An organism that cannot make its own food and must eat organic matter

Question 6

Herbivore

Answer 6

It’s only plants

Question 7

Omnivore

Answer 7

Eats plants and animals

Question 8

Decomposer

Answer 8

An organism that breaks down dead plants or animal matter into nutrients

Question 9

Open ecosystem

Answer 9

Energy and matter is exchanged

Question 10

Closed ecosystem

Answer 10

Energy but not matter is exchanged

Question 11

Main parts of the sun

Answer 11

Core
Radiation zone
Convective zone

Question 12

Parts of the suns atmosphere

Answer 12

Photosphere
Chromosphere
Corona

Question 13

Geocentric model

Answer 13

2000 years ago
Earth is the center of the universe

Question 14

Heliocentric model

Answer 14

Present
The sun is the center of the solar system

Question 15

Physical change

Answer 15

-does not form a new substance
-is the same substance with a change in state or form

Question 16

Physical change examples

Answer 16

-ice melting into water
-chopping up food
-dissolving

Question 17

Chemical change

Answer 17

Matter changes into one or more new substances
Difficult to reverse
Chemical bonds are broken

Question 18

Chemical change examples

Answer 18

Cooking food
Baking food
Tarnishing

Question 19

Lab equipment (8)

Answer 19

Test tube
Scoopula
Bunsen burner
Beaker
Thermometer
Stirring rod
Spot plate
Graduated cylinder

Question 20

Parallel circuit

Answer 20

More than one path
Multiple loops

Question 21

Series circuit

Answer 21

A single loop

Question 22

4 parts of an electric circuit

Answer 22

Source of energy- battery
Electrical load- light bulb
Control device- switch
Connectors- wire