Lab Exam Studies

Question 1

What is Matter Classified As?

Answer 1

Anything that takes up space and can be weighted

Question 2

What is Mixture Classified as?

Answer 2

Two or more different substances that are physically combined

Question 3

What are Solutions Classified as?

Answer 3

A homogeneous mixture, where one substance is dissolved into another

Question 4

Main Sighs of a Physical Change

Answer 4

Melting, change of size, colour, and density.

Question 5

Main Signs of Chemical Change

Answer 5

Production of gas, change of temperature, bubbles, change of substance (solid to liquid, gas to liquid etc)

Question 6

What is an Ionic bond?

Answer 6

A metal and a non-metal

Question 7

What is a Covalent bond?

Answer 7

Two non-metals

Question 8

How much energy is transformed when one organism consumes another

Answer 8

10%

Question 9

Pyramid of Numbers

Answer 9

Shows the total amount of Individual organisms at each level in a food chain.

Question 10

The pyramid of biomass

Answer 10

The total mass of organisms within each tropic level

Question 11

Pyramid of energy

Answer 11

Presentation of the energy found at each tropic level of an ecosystem.

Question 12

What is current presented in?

Answer 12

I

Question 13

What is voltage represented as?

Answer 13

V

Question 14

What is voltage represented as?

Answer 14

V

Question 15

Current in parallel

Answer 15

I1+I2+I3=It (total)

Question 16

Voltage in parallel

Answer 16

V1=V2=V3=Vt (Total)

Question 17

Current in series

Answer 17

I1=I2=I3=It (total)

Question 18

Voltage in series

Answer 18

V1+V2+V3=Vt (Total)