1. Science Sense
4th Grade Activity
Part 4

2. Earth and Space Sciences

3. WHAT IS THE HARDEST MINERAL KNOWN ON EARTH?
DIAMOND
TALC
QUARTZ

4. WHICH OF THESE MINERALS IS FOUND IN BABY POWDER?
QUARTZ
SUGAR
TALC

5. THE DAILY CHANGES CAUSED BY THE GRAVITY OF THE SUN AND THE MOON ARE:
TIDES
STORMS
FLOODS

6. WHAT HAPPENS TO METALS WHEN THEY ARE HEATED?
THEY CONTRACT
THEY EXPAND
THEY FREEZE

7. WHAT SUPPLIES ENERGY TO PRODUCERS?
THE SUN
WATER
OXYGEN

8. WHAT HAPPENS TO WATER IF IT IS HEATED TO 100° CELSIUS?
BOILS
FREEZES
BURNS

9. THE PROCESS THAT PLANTS GO THROUGH TO MAKE FOOD IS CALLED:
POLLINATION
BOTANY
PHOTOSYNTHESIS

10. WATER VAPOR THAT CONDENSES AND FALLS TO THE EARTH IS CALLED:
WIND
PRECIPITATION
CLOUDS

11. WHAT IS CAUSED WHEN A COOLER AIR MASS REPLACES A WARMER AIR MASS?
WARM FRONT
STAYS THE SAME
COLD FRONT

12. FROZEN PRECIPITATION IN THE FORM OF PELLETS IS CALLED:
GRAVEL
HAIL
RAIN

13. IN WHAT DIRECTION DOES THE TAIL OF A COMET ALWAYS POINT?
NORTH
TOWARD THE SUN
AWAY FROM THE SUN

14. WHAT HAPPENS TO TEMPERATURE AS ELEVATION INCREASES?
BECOMES WARMER
BECOMES COLDER
STAYS THE SAME

15. WHICH OF THESE CAUSES A CLAP OF THUNDER?
LIGHTNING
WIND
RAIN

16. THIS SMALL, DESTRUCTIVE RAINSTORM HAS A RAPIDLY SPINNING CLOUD.
HURRICANE
TORNADO
BLIZZARD

17. I CAN LOOK BIG AND ROUND OR THIN AND CRESCENT-SHAPED. I AM:
URANUS
THE MOON
THE SUN

18. WHAT IS THE NAME OF THE NORTH STAR?
POLARIS
RIGEL
SIRIUS

19. I AM MADE OF DUST, ICE, AND FROZEN GASES AND HAVE A LONG TAIL
I AM MADE OF DUST, ICE, AND FROZEN GASES AND HAVE A LONG TAIL. WHAT AM I?
COMET
METEORITE
ASTEROID

20. WHEN THE MOON OR EARTH BLOCKS LIGHT FROM THE SUN, IT IS CALLED:
NIGHT
A TIDE
AN ECLIPSE

21. WHAT DO ASTRONOMERS USE TO OBSERVE THE STARS?
TELESCOPE
ELECTRON MICROSCOPE
STETHOSCOPE

22. SOUND WILL NOT TRAVEL THROUGH A:
VACUUM
GAS
LIQUID

23. WHAT WILL HAPPEN TO PITCH IF YOU INCREASE THE FREQUENCY OF A SOUND WAVE?
IT WILL GET HIGHER
IT WILL GET LOWER
IT WILL GET LOUDER

24. WHAT UNIT DO WE USE TO MEASURE HOW LOUD A SOUND IS?
AMPLIFIER
DECIBEL
METER

25. WHEN THE MOON IS DIRECTLY BETWEEN THE EARTH AND THE SUN, WHAT OCCURS?
LUNAR ECLIPSE
SOLAR FLARE
SOLAR ECLIPSE

26. THIS SMALL, DESTRUCTIVE RAINSTORM HAS A RAPIDLY SPINNING CLOUD.
HURRICANE
TORNADO
BLIZZARD