Science - TermTest

What is Matter

Matter is anything that takes up space and has mass.

The properties of matter can be categorized into _____ and ______.

physical, chemical

What are the three general physical properties?

Mass, volume, and density

(a) _______ is the amount of matter present in an object or substance, while (b) _______ is the amount of space that is occupied by an object.

(a) Mass; (b) volume

What property describes the ability of an object to float on water?

Buoyancy

What property describes the relationship between mass and volume, where it is described as the amount of mass per unit volume?

Density

What is the formula for finding the volume of an object shaped as a rectangular prism?

V = length x width x height

How do you find the volume of an irregularly-shaped object?

By submerging it in water and finding the amount of water displaced (V = V final - V initial)

What is the formula for computing density?

Density = mass/volume

Density is expressed in _________.

g/cm^3

What are the special properties of solids?

- Hardness
- Malleability
- Brittleness
- Elasticity
- Strength
- Magnetism
- Luster
- Porosity
- Electrical Conductivity
- Heat Conductivity
- Ductility
- Solubility
- Flexibility

What are the special properties of liquids?

- Expand and Contract
- Viscosity
- Capillarity
- Surface Tension

What are the special properties of gases?

- Diffusibility
- Compressibility
- Pressure

What chemical property describes the ability of a substance to damage or kill a living organism?

Toxicity

What chemical property describes the ability of a substance to burn?

Combustibility

What chemical property describes the ability of a substance to combine chemically with other substances?

Reactivity

Rusting of iron is an example of what chemical property?

Reactivity

_________ is demonstrated when potassium explodes in contact with water.

Reactivity

_________ is demonstrated when wood is burned in the fireplace.

Combustibility

__________ is demonstrated when some snakes use venom to hunt or defend themselves.

Toxicity.

__________ is demonstrated when aluminum is compressed or made into aluminum foil.

Malleability

___________ is demonstrated when copper is turned into copper wires for electrical use.

Ductility

___________ is demonstrated when smoke quickly spreads inside a house, causing discomfort for the family.

Diffusibility

__________ is demonstrated when a heavy boat floats on water but a pencil sinks to the bottom.

Buoyancy

____________ is demonstrated when a metal spoon becomes hot if it is put in a mug full of hot coffee.

Heat Conductivity

___________ is demonstrated in shiny objects like aluminum, diamond, or gold.

Luster

___________ is demonstrated when sponge absorb water with the help of their pores.

Porosity

_____________ is demonstrated when diamonds do not break when it is hammered.

Hardness

______________ is demonstrated when chalk easily breaks off into more pieces if it is dropped on the floor.

Brittleness

_______________ is demonstrated when water does not spill even if the glass is beyond full, forming this dome-like surface that prevents it from spilling.

Surface tension

____________ is demonstrated in phone chargers and electrical cords that utilize metal wires to transmit electricity.

Electrical Conductivity

____________ is demonstrated in refrigerator magnets and Maglev trains (that utilize electromagnets for it to move efficiently).

Magnetism

____________ is demonstrated when sugar is dissolved into coffee to make it sweeter.

Solubility

_________ is demonstrated when people use rubber bands to tie two objects together.

Elasticity

Which is more viscous: vinegar or corn syrup?

Corn syrup

What is Metals

are found in nature mixed with rocks and minerals; are weak in pure form but when mixed with other metals (alloys) turn into a very strong material.

What is Plastic

are synthetic or semi-synthetic materials that use polymers as a main ingredient; are derived from fossil fuels and minerals.

What is Rubber

such as natural latex, which oozes from any wound to the tree bark, or synthetic of these materials are made using a mix of chemicals.

What is Ceramics

are made by baking clay, sand, and other natural materials at very high temperatures.

What is Wood

come from stems and roots of woody trees; paper can come from this, too, by mixing pulp or wood fibers and water.

What is Fibers

are thin threads of natural (coming from plants or animals) or artificial material (from synthetic fiber like polyester, plastics).

What is Food

gives our body nourishment and energy; ingredients can be natural or chemically processed

What is Medicine

are chemicals or compounds used to treat, halt, or prevent disease; ease symptoms or help in the diagnosis of an ailment.

What is Personal Care

are products applied on different external body parts in order to make them clean, protect them from harmful germs, and keep them in good condition.

What is House Hold Cleaning

products are used to clean soft or hard surfaces of the materials in the home.

What kind of Materials is Shirt

Fiber

What kind of Materials is Soap

Personal Care

What kind of Materials is Chips

Food

What kind of Materials is Paper

Wood

What kind of Materials is Gloves

Rubber

What kind of Materials is Perfume

Personal Care

What kind of Materials is Laptop

Metal

What kind of Materials is Glasses

Ceramics

What kind of Materials is Sponge

House Hold

What kind of Materials is Mug

Ceramics