NATURAL- UNIT 5: MATTER AND MATERIALS

 

Hemos comenzado la unidad 5 del libro de Ciencias de la Naturaleza, que tiene por título Matter and materials  (“Materia y materiales”), y en ella veremos:

 

·       Los materiales principales: madera, cristal, plástico…

·       La diferencia entre materiales naturales y materiales hechos por el hombre.

·       Las principales propiedades de los materiales.

·       La diferencia entre masa y volumen.

·       La diferencia entre mezclas homogéneas y heterogéneas. Ejemplos en la vida real.

·       Los cambios en la materia.

·       Los estados físicos: sólido, líquido y gas.

·       Los usos de los materiales.

Os adjunto el vocabulario más importante  y  preguntas para repasar los contenidos de la unidad.

VOCABULARY

plastic = plástico

glass = cristal

paper = papel

metal = metal

cotton = algodón

wood = madera

chair = silla

window = ventana

spoon = cuchara

pencil = lápiz

stone = roca

man-made = artificial, hecho por el hombre

wool = lana

transparent = transparente

hard = duro

soft = suave

opaque = opaco

rigid = rígido

flexible = flexible

magnet = imán

magnetic = magnéticoflexible = flexible

float = flotar

sink = hundirse

waterproof = impermeable, resistente al agua

mass = masa

volume = volumen

mixtures = mezclas

salad = ensalada

chocolate milk = chocolate con leche (bebida)

lemonade = limonada

homogeneous mixture = mezcla homogenea

heterogeneous mixture = mezcla heterogenea

heat(ing) = calentar

cool(ing) = enfriar

bend(ing) = doblar

solid = sólido

liquid = líquido

gas = gas

slide = tobogán

tunnel = túnel

swing = columpio

window = ventana

wall = pared

door = puerta

chimney = chimenea

rain boots = botas de agua

glasses = gafas

sweater = jersey

fork = tenedor

         QUESTIONS TO REVIEW

 

•    Name 3 natural materials and 3 man-made materials. For example:

Natural materials: cotton, wool and stone.

Man-made materials: glass, paper and plastic.

•    What’s your chair made of ? It’s made of metal and wood.

•    Is stone/ wool/ wood/ a car/a pen... natural or man-made? It’s ...

•    Is a t-shirt made of cotton or wood? It’s made of cotton.

•    Does wood float on water or sink? Wood floats on water.

•    Name a material that floats/ sinks. For example: wood floats and stones sink.

•    Why are windows made of glass? Because glass is transparent.

•    Say a properties of these materials: glass, rock, cotton, rubber and metal:     

Glass is transparent. Rock is hard. Cotton is soft. Rubber is flexible. Metal is magnetic.

•    Is plastic waterproof? Yes, it is.  Is paper waterproof? No, it isn’t.

•    What type of mixtures are there? Heterogeneous mixtures and homogeneous mixtures.

•    Name a homogeneous and a heterogeneous mixture. For example: chocolate milk and pizza.

•    What are the three states of matter? Solid, liquid and gas.

•     To make ice, do we cool water or heat it? We cool it.

•    When we ice skate, is the water solid or liquid? It’s solid.

•    Point to something made of glass, point to something waterproof, point to something flexible, point to something opaque, point to something  that we can bend.

MATERIALS

                            

MATERIALS AND THEIR PROPERTIES

STATES OF MATTER SONGS

 HOMOGENEUS AND HETEROGENEUS MIXTURES

SINK OR FLOAT?

                                           

And now a game to review 

Click here