1 - 6 van 6 bronnen weergeven

Earth's rotations and revolutions

These two short online tutorials discuss how the earth rotates and then the earth's revolutions.

Onderwerp en thema
Form 1
Geography
The solar system
Earth's movement
Type bron
Studieboeken
Taal
English
Uitgever
CK-12
Publicatiedatum
2023
Schepper/Auteur
CK-12
Trefwoord
Earth
Earth's revolutions
Earth's rotations

Links

Earth's seasons

In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.

Onderwerp en thema
Form 1
Geography
The solar system
Earth's movement
Type bron
Video
Taal
English
Uitgever
Khan Academy
Publicatiedatum
2022
Schepper/Auteur
Sal Khan
Trefwoord
Earth
Seasons

Links

Introducing Ratios

This video introduces you to the concept of ratios.

Onderwerp en thema
Form 1
Mathematics
Ratios, profit and loss
Ratio
Type bron
Video
Taal
English
Uitgever
olicoTV
Publicatiedatum
2022
Schepper/Auteur
olicoTV
Trefwoord
Ratios

Ratio Problems in Context | Ratio & Proportions

This YouTube video can help to get deeper understanding on solving ratio and proportion problems.

Onderwerp en thema
Form 1
Mathematics
Ratios, profit and loss
Ratio
Type bron
Video
Taal
English
Uitgever
Fuseschool- Global Educations
Publicatiedatum
2020
Trefwoord
Ratio
Proportions
Proportion

Ratio, Profit and Loss

Outcomes

In this course you will learn about:

  1. Ratio and rate.
  2. Direct and indirect proportion.
  3. Simple interest.
Onderwerp en thema
Form 1
Mathematics
Ratios, profit and loss
Ratio
Type bron
Cursus
Taal
English
Publicatiedatum
2023

pH Scale

Outcomes:

  • Determine if a liquid is acidic, basic, or neutral
  • Place acids or bases in relative order
  • Describe on a molecular scale, with illustrations, how the water equilibrium varies with pH
  • Determine concentration of hydroxide, hydronium and water at a given pH
  • Relate liquid color to pH
  • Predict (qualitatively and quantitatively) how dilution and volume will affect the pH and concentration of hydroxide, hydronium and water
Onderwerp en thema
Form 1
Biology
Introduction to biology
The biology laboratory
Type bron
Simulatie
Taal
English
Uitgever
pHET Interactive Simulations
Publicatiedatum
No date
Schepper/Auteur
Yuen-ying Carpenter (lead)
Trefwoord
pH
Dilution
Concentration
Acids
Bases