Conjunctions
Complete the sentence - The toxic gas ____ chemicals are Polluted.
And.
We find ______________ facing a massive environmental crisis as rising ocean temperatures turn solid glaciers into liquid, mixing trapped, ancient pollutants into the open sea.
ourselves
Bags, chairs, cloth, Tables......
define - states
forms of matter- Solid, Liquid and gas - Plasma
Changes between matter.
when a solid absorbed heat.
Ice turns water.
Solid turns liquid.
Melting
or
When a solid ice cube absorbs enough thermal energy from its surroundings, it melts _______down into a liquid state.
itself
Ways to reduce plastic
Recycle, Clean, Reduce, Reuse...
smallest building blocks
Atoms
Liquid to Solid
Water turns to ice.
Cooling
Freezing
Plastic waste often starts as a solid on land, _____ it eventually breaks down into microplastics once it enters the liquid ocean.
but
Louis Pasteur ________ developed the process of pasteurization, heating liquids to kill harmful microbes so that the beverage wouldn't spoil itself
himself
Plastic comes from
Fossil Fuel or Petroleum
Mixture
Substance made by mixing two or more substance that can be separated
What is temperature?
It is how hot or cold. Measurement.
Celsius and Farentheigh
FANBOYS Stands for these conjunction - Mention 3
For, and, nor but, or, yet, so
Themselves
Plastic damage the earth in what ways
killing wildlife and harming society with toxic gasses and chemicals.
Reactant
Substance that combine in a chemical reactions.
what is chemical change?
it is a result of a chemical reaction
change of atoms.
Cooking an egg, Roasting of a Marshmallow , Rust.
WABITS stands for these subordinating clause- mention 3
W – When, While, Whether
A – Although, After, As
B – Because, Before
I – If
T – Though
S – Since, So that
What are reflexive pronouns?
A reflexive pronoun is a word ending in -self or -selves that is used when the subject performing an action is also the object receiving that same action.
It takes approximately __________ years for a standard single-use plastic water bottle to break down.
It takes approximately 450 years for a standard single-use plastic water bottle to break down.
more than 100 years
explain the difference between Chemical change and Physical change.
Physical Change: The substance changes that you can see/look at like color or shape but still the same.
Ice cream and Ice.
Chemical Change: The substance turns into something entirely new. You cannot change it back.
baking soda and vinegar, water and cornstarch.(non Newtonian Fluid)
explain reactants and mixtures.
A reactant is a starting substance that undergoes a chemical change during a chemical reaction. When reactants interact, their atomic bonds are broken and rearranged to form entirely new substances, which are called products.
Baking soda and Vinegar
A mixture is a combination of two or more substances that are physically mixed together but not chemically bonded. Each substance within a mixture keeps its own original chemical identity and properties.
salad