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WorksheetsMatter_Atom
Total questions: 20
Worksheet time: 23mins
EASY ROUND
1. They have definite shape and with tiny particles called atoms which are packed closely together.
A. Solid
B. Liquid
C. Gas
D. Plasma
EASY ROUND
2. Which refers to the amount of space an object takes up?
A. Mass
B. Volume
C. Weight
D. Density
EASY ROUND
3. It is the process in which a solid is changed to a liquid because of high temperature.
A. Freezing
B. Condensation
C. Melting
D. Evaporation
EASY ROUND
4. It is the process in which gas becomes liquid.
A. Freezing
B. Condensation
C. Melting
D. Evaporation
EASY ROUND
5. Matter undergoes a phase change wherein a new SUBSTANCE is formed.
A. Physical Change
B. Chemical Change
C. Climate Change
D. Social Change
EASY ROUND
6. Cutting of paper is an example of?
A. Physical Change
B. Chemical Change
C. Climate Change
D. Social Change
EASY ROUND
7. All are examples of chemical change except one.
A. Color Changes
B. Change in shape
C. Change of odor
D. Can be reversible
EASY ROUND
8. All matter consists of tiny particles called__________.
A. Cells
B. Genes
C. Atom
D. Proton
EASY ROUND
9. Which of the following is NOT a major subatomic particle?
A. Proton
B. Electron
C. Neutron
D. Positron
EASY ROUND
10. It is the tabular arrangement of the elements organized by atomic number.
A. Periodic table of elements
B. Electron Configuration
C. Sub-atomic Particles
D. Valence Electron
AVERAGE ROUND
1. Which of the following is an example of Physical Change?
A.Burning a candle.
B. Mixing vinegar and baking powder in a bottle with balloon.
C. Crumpling a piece of paper.
D. Lighting a matchstick.
AVERAGE ROUND
2. I dropped my popsicle on the ground on my way to a friend’s house. It was gone when I walked by again.
A. Condensation
B. Freezing
C. Evaporation
D. Sublimation
AVERAGE ROUND
3. After JJ Thompson discovered electrons, a new idea of the atom was developed. This was called the________ model.
A. PLANETARY MODEL
B. NUCLEAR MODEL
C. PLUM PUDDING MODEL
D. QUANTUM MODEL
AVERAGE ROUND
4. If the atomic number of an element is 6 and its mass number is 12, how many protons are contained in the nucleus?
A. 5
B. 6
C. 10
D. 12
AVERAGE ROUND
5. What is the number of neutrons in Oxygen if the atomic number is 8 and the atomic mass is 16?
A. 6
B. 7
C. 8
D. 5
DIFFICULT ROUND
1. What are the processes needed in the water cycle?
A. EVAPORATION, CONDENSATION, PRECIPITATION AND COLLECTION
B. COLLECTION, FREEZING MELTING AND CONDENSATION
C. RUN-OFF, SUBLIMATION, CONDENSATION AND PRECIPITATION
D. DEPOSITION, CONDENSATION, PRECIPITATION AND COLLECTION
DIFFICULT ROUND
2. How does precipitation happen?
A. When water in clouds solidifies and turns into ice
B. Water boils and has some dews
C. Water discipitates into the lake
D. When water vapour in clouds condenses into bigger and bigger droplets of water
DIFFICULT ROUND
3. Why are the masses on the periodic table usually expressed as decimal numbers?
A. Because it is needed
B. Because masses on the table are weighted averages of all known Isotopes of the element of interest
C. To determine how many isotopes exist.
D. To identify the longest living isotopes
4. What element denoted by this electron configuration: 1s2 2s2 2p3
A. Oxygen
B. Carbon
C. Nitrogen
D. Helium
DIFFICULT ROUND
5. The scientist that has discovered the existence of proton
A. J.J. Thomson
B. James Chadwick
C. Earnest Rutherford
D. Neils Bohr
