7-matter+and+energy



1. Which one is not made of matter? a. Tree b. Air d. Water
 * c. Thoughts**

2. Choose the correct answer: a. Mass is the amount of energy in an object. b. Mass is always related to the size of the object. c. We use a metre to measure mass.
 * d. Mass is measured in kilograms and grams.**

3. Which properties of matter have all objects? a. Mass and colour. b. Hardness and transparency. d. Volume and transparency.
 * c. Mass and volume.**

4. In which states can mass exist? 5. Are specific properties different for each type of matter?
 * 1) Evaporation, condensation, solidification
 * 2) **Solid, liquid, gas and plasma**
 * 3) Liquid, Melting, and evaporation
 * 4) Gas, liquid, and melting
 * 1) Yes, always
 * 2) No, are common to all matter
 * 3) **Sometimes**
 * 4) Yes, only with volume object

6. Which of these are specific properties of matter?
 * 1) Mass and density
 * 2) Mass, volume and density
 * 3) **Colour, hardness, flexibility and density**
 * 4) Flexibility and mass

7. Which is the correct answer?
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">There is more matter in a pencil than in a table.
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**A table has more mass than a pencil**
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Mass is always related to the size of the object.
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">A pineapple can´t have more mass than a pillow.

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">8. How can you measure mass? repeated
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**Kilograms and grams**
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Tons and cubic metres
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Metres and litres
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Kilograms and metres

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">9. What is volume?
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">All that you can measure
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">The amount of mass that you can find in the air
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**The amount of space that an object occupies**
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">All the things that are liquid

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">10. Choose the correct answer
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">1 L = 1000 dl
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">1000 ml = 10000 cl
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">1 cm3 = 1dl
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**1 cm3 = 1ml**

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt; text-decoration: none;">11**.** What can you use the water displacement method for? The alternatives are not possible, shape and liquid do not fit
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">To calculate the volume of regular shaped gas.
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**To calculate the volume of regular and irregular shaped solids.**
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">To calculate the volume of regular shaped of liquid.
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">To calculate the volume of irregular shaped of liquid.

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">12. How can you calculate the density of an object?
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**By dividing its mass by its volume**
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">By dividing its volume by its mass
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">By measuring it
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">By multiply its mass and its volume

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">13. Can objects of the same size have different densities?
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">No, never
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Yes, but only liquid
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**Yes**
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Depends on the properties

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">14. Depending on their density objects…
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Always sink when placed in a liquid
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Always float when placed in a liquid
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**Can sink or float when placed in a liquid**
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Never sink when placed in a liquid

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">15. Which properties are specific in solid objects?
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Elastic, viscous, flexible, and volatile
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Elastic, fragile, viscous, and volatile
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Strong, volatile, flexible, and elastic
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**Strong, flexible, elastic, and fragile**

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">16. If you compress a syringe that contains air…
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**The volume decreases, but the mass is the same**
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">The volume increases, but the mass is the same
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">The mass decreases, but the volume is the same
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">The mass increases, but the volume is the same

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">17. What are ‘sublimation’ and ‘reverse sublimation’?
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">State of matter
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**Changes of state**
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Properties of matter
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Chemical reactions

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">18. How many substances can matter contain?
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Only one
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Several
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**One or more substances**
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Nothing

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">19. During a _, a substance changes into a completely new one
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Physical change
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**Chemical change**
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Colour change
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Experiment

<span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">20. The method of separation of mixtures that is used to separate solids from liquids in heterogeneous mixtures is called..
 * 1) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Evaporation
 * 2) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Decantation
 * 3) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">Distillation
 * 4) <span style="color: #000000; font-family: "Times New Roman",serif; font-size: 12pt;">**Filtration**