1
What is the capital city of Sri Lanka?
Colombo
What state of matter has the strongest force of attraction between particles?
Solid
Fungi and bacteria are decomposers. Why decomposers are important?
break down waste and turned it into nutrient
Answer may vary
Which cell takes in light to make sugars?
A Root hair cell B Onion cell
C Palisade cell C Ciliated Cell
Letter C
Water has pH 7, so it is neutral. What does it mean by neutral?
not acidic, not alkali
What does an arrow represent in the food chain or food web?
transfer of energy
Here is a food chain from the Atlantic Ocean.
Sunlight→Algae→zooplankton→shrimp→Cod→seal
What is the number of trophic levels in this food chain?
5
Name the five groups of the vertebrate.
Mammal, amphibian, reptile, fish, bird
The highest mountain in the world is Mouth Everest which is 8,848 above sea level. Where is mount Everest located?
Clue: Asia
Nepal
Nepal -Tibet is acceptable as it is at the border of these two countries.
What are the three types of rocks?
Igneous, sedimentary and metamorphic rock
What physical change of matter when the solid changes to gas or gas to solid without changing into liquid?
Sublimation
It is used to test whether a substance is an acid or alkali. Example: Litmus paper
Indicator/s
Laos the most heavily bombed country in history. In what year the bombing in Laos has ended?
Clue: the answer is one of the years from 1965 to 1990
1973
State two common characteristics of all anthropods.
jointed legs, exoskeleton
What is the main energy transfer for a long-distance runner?
Chemical energy → kinetic energy
Nutrition is one of the characteristics of a living thing. Plants make their food through a process called photosynthesis.
State the word equation of photosynthesis.
carbon dioxide + water → Glucose + oxygen
Turn me on my side and I am everything. Cut me in half and I am nothing. What am I?
8
What part of the cell controls the movement of substances into and out of the cell. Ex. Glucose, oxygen, carbon dioxide, water
Cell membrane
The energy that can be obtained by burning natural waste materials such as scrap pieces of wood,
Biomass
What part of the cell is filled with a liquid called cell sap containing dissolved salts and sugar?
Vacuole
What are the seven characteristics of living things?
Movement, respiration,sensitivity/irritability, growth, reproduction,excretion,nutrition/feeding.
State the four groups of arthropods. Describe each one of them in terms of the number of legs.
Crustaceans - 5 to 20 pairs, arachnids - 4 pairs
insects - 3 pairs, myriapod - many legs
Organisms release energy in the process called respiration.
State the word equation of respiration.
Glucose + oxygen → Carbon dioxide + water
It is the position of an organism in the food chain or a food web.
Trophic level
In what year the UNESCO declared the entire town of Luang Prabang a World Heritage site?
1995