THE QUIZ

ABOUT KNOWLEDGE OF THE SUN

 

1. WHICH OF THE TERMS DESCRIBES THE SUN MOST CORRECTLY

• A PARTICULAR BIG, YOUNG STAR

• A RED GIGANT CLASSSTAR

• AN ORDINARY STAR IN MIDDLE AGE

1. THE SUN DIAMETER IS BIGGER THAN THE EARTH DIAMETER ABOUT:

• 10 TIMES

• 100 TIMES

• 1000 TIMES

1. THE SCIENTIST ASSESS THE TEMPERATURE ON THE SUN SURFACE IS ABOUT: 

• 5500°C

• 500°C

• 15000°C

1. THE SUNLIGHT REACHES THE EARTH IN:

• 2 SECONDS

• 8 MINUTES

• 1 HOUR

1. THE CHEMICAL ELEMENTS THE SUN IS MOSTLY MADE OF ARE:

…………………………… i ……………………………

1. WACHING THE SUN WE CAN SEE IT’S SURFACE LAYER. WHAT IS IT CALLED?

   ……………………………………………….

2. THE SUN CORONA WE CAN OBSERVE WITHOUT ANY SPECIAL TOOLS:

• RIGHT AHEAD THE SUNSET

• SHORTLY AFTER THE SUNRISE

• DURING THE TOTAL ECLIPSE

1. TYPE THE EXAMPLES OF SOLAR ACTIVITY:

   ………………………………………………………………………………………………………………………………………………..

    

2. THE SOURCE OF SOLAR ENERGY IS:

3. < >

   THE CHEMICAL REACTION OF HELIUM NUCLEI DECAY IN HYDROGEN NUCLEI

4. THE FUSION OF HYDROGEN NUCLEI IN HELIUM NUCLEI

5. WHAT IS HIDDEN BENEATH „SOLAR WIND”

………………………………………………………………………………………………………………………………………………

1. DO THE AURORAS HAVE ANYTHING IN COMMON WITH THE SUN?EXPLAIN IT AWAY.

    

    

ANSWERS:

1.c

2.b

3.a

4.b

5. HELIUM & HYDROGEN

6. PHOTOSPHERE

7. c

8. SUNBURSTS, PROMINENCES, SUNSPOTS, SOLAR WIND

9.c

10. A STREAM OF PLASMA BURST OUT FROM THE SUN, WHICH CONSISTS MAINLY OF PROTONS, ELECTRONS AND ALPHA PARTICLES

11. YES. THEY ARE THE SOLAR WIND EFFECT.