WorksheetsScience Cycle 1 Review
Total questions: 25
Worksheet time: 13mins
¿Qué estado de materia representa?
líquido
gas
sólido
plasma
¿Qué estado de la materia es?
sólido
líquido
gas
Los 3 metales con propiedades magnéticas son...
Hierro (iron), Cobalto y Níquel.
Aluminio, Cobalto y Níquel.
Hierro (iron), aluminio y Níquel.
Oro (gold), Plata (silver) y Bronce.
What shall I do in the lab if I am not sure about what I need to do?
Do as others do.
Ask the teacher for instructions.
Use the lab tools carefully.
Ask a friend.
Solids...
... have a definitive volume (it does not change) and a definitive shape.
... have a definitive volume and don't have a definitive shape (it changes).
... don't have a definite volume or shape (they both can change).
Liquids...
... have a definitive volume (it does not change) and a definitive shape.
... have a definitive volume and don't have a definitive shape (it changes).
... don't have a definite volume or shape (they both can change).
Gases...
... have a definitive volume (it does not change) and a definitive shape.
... have a definitive volume and don't have a definitive shape (it changes).
... don't have a definite volume or shape (they both can change).
We use this process to change water from a liquid to a solid:
Freezing
Melting
Evaporating
We use this process to change water from a solid to a liquid:
Freezing
Melting
Evaporating
We use this process to change water from a liquid to a gas:
Freezing
Melting
Evaporating
¿Qué método de separación es?
Filtración.
Separación magnética.
Centrifugación.
Evaporación.
¿Cómo separas la mezcla?
Tamizar (Sieve).
Separación magnética.
Decantación (Diferencia de densidades).
Evaporación.
¿Qué tipo de mezcla es? ¿Es una solución?
Es una solución.
Es una mezcla, pero no solución.
¿Qué tipo de mezcla es? ¿Es una solución?
Es una solución.
Es una mezcla, pero no una solución.
¿Qué tipo de mezcla es? ¿Es una solución?
Es una solución.
Es una mezcla, pero no una solución.
¿Qué tipo de mezcla es? ¿Es una solución?
Es una solución.
Es una mezcla, pero no una solución.
All of the following tools are useful when investigating heat EXCEPT-
a hot plate
a Celsius thermometer
a timing device
a spring scale
Which of these could NOT be used to replace a wire in a circuit?
An iron nail.
A bendable straw.
A steel spoon.
Aluminium foil.
A mixture of beads was placed in a container, as shown above. The beads are of various sizes, and each one is made of plastic, glass, or steel. The mixture would be easy to separate because all the beads...
...are less dense than water.
...are solids.
...have the same mass.
...can be attracted to a magnet.
A student made a mixture using equal amounts of salt and pepper. The salt grains were the same size as the pepper grains. What should the student do to most easily separate the pepper from the salt? (5.5B)
Use a pair of tweezers to remove each grain of pepper.
Run a small magnet through the mixture to attract the pepper.
Put the mixture in water and filter the pepper out of the water.
Use a strainer with a fine wire screen to remove the pepper.
What property do Water and Air NOT share?
Transparent.
Odorless.
Shape can change.
Volume can change.
Some people add sugar to their hot tea. Which property of the sugar remains the same when the sugar is in the tea solution?
The taste of the sugar.
The size of the sugar crystals.
The color of the sugar.
The texture of the sugar.
A student stirs 15 grams of each substance listed below into 200 milliliters of water to form four different mixtures. The student then tries to separate the water from each mixture by pouring the mixture through a kitchen tea strainer. Which mixture can the student separate most easily with the strainer?
Salt and water.
Gravel and water.
Shampoo and water.
Sugar and water.
