Agriculture
Watching out for vultures
Middle school science adventures
Where Have All the Bees Gone?
Amphibians
Bullfrogs
Tree Frogs
Toads
Animals
Fishy Sounds
From Chimps to People
Ant Invasions Change the Rules
Behavior
Contemplating thought
Two monkeys see a more colorful world
The Disappearing Newspaper
Birds
Quails
Swans
Eagles
Chemistry and Materials
The chemistry of sleeplessness
Getting the dirt on carbon
Atomic Drive
Computers
Galaxies far, far, far away
Getting in Touch with Touch
The solar system's biggest junkyard
Dinosaurs and Fossils
Dino-bite!
Downsized Dinosaurs
South America's sticky tar pits
E Learning Jamaica
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
Results of GSAT are in schools this week
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Earth
Riding to Earth's Core
Digging into a Tsunami Disaster
Hot Summers, Wild Fires
Environment
Bald Eagles Forever
Groundwater and the Water Cycle
Antarctica warms, which threatens penguins
Finding the Past
Settling the Americas
Decoding a Beverage Jar
A Plankhouse Past
Fish
Eels
Mako Sharks
A Grim Future for Some Killer Whales
Food and Nutrition
Recipe for Health
Turning to Sweets, Fats to Calm the Brain
In Search of the Perfect French Fry
GSAT English Rules
Capitalization Rules
Finding Subjects and Verbs
Subject and Verb Agreement
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10 Common Mistakes When Preparing for the GSAT Math Test
How are students placed after passing the GSAT exam
Scotiabank Jamaica Foundation Grade Six Achievement Test (GSAT) Scholarships
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GSAT Mathematics
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Math is a real brain bender
Human Body
Kids now getting 'adult' disease
Gut Germs to the Rescue
Attacking Asthma
Invertebrates
Dragonflies
Sea Anemones
Starfish
Mammals
Bumblebee Bats
Kangaroos
Sun Bear
Parents
What Not to Say to Emerging Readers
The Surprising Meaning and Benefits of Nursery Rhymes
Raise a Lifelong Reader by Reading Aloud
Physics
Project Music
Hold on to your stars, ladies and gentlemen
The Pressure of Scuba Diving
Plants
Plants Travel Wind Highways
Hungry bug seeks hot meal
A Change in Leaf Color
Reptiles
Asp
Boa Constrictors
Caimans
Space and Astronomy
Planets on the Edge
Asteroid Lost and Found
A Very Distant Planet Says "Cheese"
Technology and Engineering
A Clean Getaway
Switchable Lenses Improve Vision
Model Plane Flies the Atlantic
The Parts of Speech
Adjectives and Adverbs
What is a Preposition?
Countable and Uncountable Nouns
Transportation
Morphing a Wing to Save Fuel
Seen on the Science Fair Scene
Ready, unplug, drive
Weather
Earth's Poles in Peril
A Change in Climate
The Best Defense Is a Good Snow Fence
Add your Article

Who vs. That vs. Which

Rule 1

Who refers to people. That and which refer to groups or things.

Examples:
Anya is the one who rescued the bird.
Lokua is on the team that won first place. 
She belongs to an organization that specializes in saving endangered species.

Rule 2

That introduces essential clauses while which introduces nonessential clauses.

Examples:
I do not trust products that claim "all natural ingredients" because this phrase can mean almost anything.
We would not know which products were being discussed without the that clause.
The product claiming "all natural ingredients," which appeared in the Sunday newspaper, is on sale.
The product is already identified. Therefore, which begins a nonessential clause.

NOTE: Essential clauses do not have commas surrounding them while nonessential clauses are surrounded by commas.

Rule 3

If this, that, these, or those has already introduced an essential clause, you may use which to introduce the next clause, whether it is essential or nonessential.

Examples:
That is a decision which you must live with for the rest of your life.
Those ideas, which we've discussed thoroughly enough, do not need to be addressed again.

NOTE: Often, you can streamline your sentence by leaving out which.

Example:
That is a decision which you must live with for the rest of your life.

Better:
That is a decision you must live with for the rest of your life.

 

Who vs. That vs. Which









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