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Comparing animal and plant cells

Plant cells have a cell wall in addition to a cell membrane, whereas animal cells have only a cell membrane. Plants use cell walls to provide structure to the plant. Plant cells contain organelles called chloroplasts, while animal cells do not. Chloroplasts allow plants to make the food they need to live using photosynthesis.

Onderwerp en thema
Form 1
Biology
Cell structure and organisation
Plant and animal cells
Type bron
Video
Taal
English
Uitgever
Khan Academy
Publicatiedatum
2022
Schepper/Auteur
Khan Academy
Trefwoord
Animal cell
Plant cell

Equivalent Metric Units of Capacity

In this unit you will learn how to identify equivalent metric units of capacity.

Onderwerp en thema
Form 1
Mathematics
Units
Units of capacity
Type bron
Cursus
Taal
English
Uitgever
CK-12
Publicatiedatum
2022
Schepper/Auteur
CK-12
Trefwoord
Metric measurements
Units of capacity
Units of measure

Horizontally Launched Projectile

How to solve for the horizontal displacement when the projectile starts with a horizontal initial velocity. We also explain common mistakes people make when doing horizontally launched projectile problems.

Onderwerp en thema
Form 2
Physics
Motion in a straight line
Equations of uniformly accelerated motion
Type bron
Video
Taal
English
Uitgever
Khan Academy
Publicatiedatum
2016
Schepper/Auteur
David SantoPietro
Trefwoord
two dimensional motion
Projectile motion
Projectile motion graphs

Overview of animal and plant cells

Overview of animal and plant cells. Topics include cell walls, vacuoles, chloroplasts, peroxisomes, lysosomes, mitochondria, etc.

Onderwerp en thema
Form 1
Biology
Cell structure and organisation
Plant and animal cells
Type bron
Video
Taal
English
Uitgever
Khan Academy
Publicatiedatum
2015
Schepper/Auteur
Sal Khan
Trefwoord
Animal cell
Plant cell

Ramp: Forces and Motion

  • Predict, qualitatively, how an external force will affect the speed and direction of an object's motion.
  • Explain the effects with the help of a free body diagram.
  • Use free body diagrams to draw position, velocity, acceleration and force graphs and vice versa.
  • Explain how the graphs relate to one another.
  • Given a scenario or a graph, sketch all four graphs.
Onderwerp en thema
Form 2
Physics
Motion in a straight line
Equations of uniformly accelerated motion
Type bron
Simulatie
Taal
English
Uitgever
pHET Interactive Simulations
Publicatiedatum
No date
Schepper/Auteur
Sam Reid (Developer)
Trefwoord
Force
Velocity
Acceleration

Units of capacity

Outcomes

By the end of this course you will:

  • Be able to define capacity and volume
  • Be familiar with the metric units of capacity
  • Be able to convert from one unit of capacity to another
Onderwerp en thema
Form 1
Mathematics
Units
Units of capacity
Type bron
Cursus
Taal
English
Publicatiedatum
2023