Graph shows the number of patients with heart diseases according to age group. State 1 SIMILARITY and 1 DIFFERENCE between male and female.
Similarity: number of patients increases as age increases. Difference: Female is lower than male for all age group.
Oops!
Check
Okay!
Check
15
Mayflies eat pondweed. Trout eat mayflies. Herons eat trout. Construct a food chain using this information!
pondweed -> mayflies -> trout -> herons
Oops!
Check
Okay!
Check
20
Name the mineral ion that the plant must absorb to make chlorophyll! Which vessel do they travel in?
Magnesium ions and they travel in the xylem vessel :D
Oops!
Check
Okay!
Check
20
Alkene is produced during process X. What is X? Does it involves physical or chemical change?
X is the cracking reaction! This process is a chemical change as new substance is formed.
Oops!
Check
Okay!
Check
20
Describe two physical properties of copper (transition element) that are NOT properties of sodium (Group 1).
Copper has catalytic properties and can form coloured compound. They also have high melting point.
Oops!
Check
Okay!
Check
20
Describe two differences between the arrangement of atoms in solid copper and the arrangement of atoms in molten copper.
Solid copper is in fixed position AND has fixed arrangement (vice versa).
Oops!
Check
Okay!
Check
trap
No points!
Oops!
fairy
Take points!
5
10
15
20
25
shark
Other team loses 20 points!
Okay!
baam
Lose 25 points!
Oops!
20
Based on the air composition, which one of it is the compound? Explain your answer!
Carbon dioxide, it consist of more than 2 elements: carbon & oxygen
Oops!
Check
Okay!
Check
lifesaver
Give 10 points!
Oops!
shark
Other team loses 25 points!
Okay!
shark
Other team loses 10 points!
Okay!
banana
Go to last place!
Oops!
15
Complete the sentences given: Carbon dioxide is produced in body cells by the process of ........................ . Carbon dioxide is removed from the blood in the .......................... .
Carbon dioxide is produced in body cells by the process of DIFFUSION. Carbon dioxide is removed from the blood in the LUNG/ALVEOLI.
Oops!
Check
Okay!
Check
20
Diagram shows the muscle cell. What is the function of B? Which characteristic of living organism is the muscle cell in charge of?
B is in charge of the metabolic reactions, and this cell is important for the movement!
Oops!
Check
Okay!
Check
thief
Give points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
15
Based on the info given, what is the neutron number of zinc?
35! Nucleon number - proton number = neutron number
Oops!
Check
Okay!
Check
15
Reaction of X with acid leads to the equation below. Can you predict X?
Sodium carbonate, as it produces carbon dioxide!
Oops!
Check
Okay!
Check
boom
Lose 50 points!
Oops!
magnet
Take 20 points!
Okay!
gift
Win 20 points!
Okay!
thief
Give points!
5
10
15
20
25
20
Anaemia is a medical condition. A person with anaemia has fewer red blood cells than normal. Suggest why anaemia can cause a person to have less energy.
Red blood cells transport oxygen. When there is less oxygen, the respiration rate decreases as well. Respiration releases energy.