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Vocabularies
Changes
Chemistry
Physics
I feel lucky!
100

An electrical or mechanical device used for measuring temperature .

Thermometer

100

Change that affects the shape, size, and form of a material.

Physical change

100

What is the chemical name of FePO3?

Iron Phosphate

100

A naturally occuring, non-living material that makes up rocks.

Minerals.

100
Someone who studies the relationship between living organisms and their environment.
What is ecologist?
200

When something reacts with oxygen in the air in an explosive manner

Burning

200

Two observations made when metal reacts with acid.

bubbles (gas forms)

metal dissolves

temperature raises

200

What are the reactants and products of respiration?

Reactants: glucose and oxygen

Products: carbondioxide and water (and energy)

200

Give two ways we protect an iron bar from rusting.

1. Paint it

2. Galvanise it (cover with other metal)

3. Make the air dry/absorb the moisture

200
The materials and products that are found in nature, which are used to meet our basic needs.
What are natural resources?
300

A point in temperature when a matter changes from vibrating to moving in a fixed volume

Melting point

300

A way to test for carbondioxide gas

Flows it to limewater, limewater becomes milky/cloudy

300

What does the Law of Conservation of Mass say?

Mass of matter before and after a reaction must stay constant/the same.

300

Remember your rusting vlog project. Why the nails rusted in the empty bottle?

Because the is water moisture in the air. Water makes rusting occur.

300
A common pesticide used in the mid-1900s that lead to the extinction of many birds.
What is DDT?
400

Something that takes up space and volume

Matter

400

A term to call a white solid that forms when two clear solutions react.

Precipitate

400

What are the 2 observations made when Magnesium is burning?

1. Burns in bright white light

2. White ash/smoke is left behind

400

Give the  3 products of the reaction between copper carbonate and sulfuric acid.

copper sulphate, carbondioxide, and water

400
The term used to describe how natural resources being renewed at least as quickly as they are being used, and all wastes are able to be completely absorbed.
What is sustainability?
500

A name of a reaction between hydrochloric acid and sodium hydroxide 

Neutralisation

500

The three products of reaction between calcium carbonate and hydrochloric acid

Calcium Chloride

Water

Carbondioxide

500

Thomas weighs a piece of magnesium ribbon: 30 gram.

He burns it and reweighs the products: 40 gram.

Explain what happens.

The reactant that is weighed: magnesium (30 gram).

The product is magnesium oxide. The additional oxygen gives the extra final weight (10 more grams).

500

Give 5 examples of physical changes

melting, freezing, condensing, sublimating, evaporating of something.

500
The movement of pollutants through levels of a food chain so that greater quantities are retained with movement up the food chain.
What is bioaccumulation?