Category 1: Homeostasis Basics
100 – What does homeostasis mean?
(Keeping the body’s conditions the same inside)
100 – What is the control centre of the nervous system?
(Brain)
(Brain)
1. In the periodic table, what is the chemical symbol for sodium?
Na
100 – What does “potable water” mean?
Safe to drink
200 – Name one thing in your body that homeostasis controls.
(Temperature, blood sugar, water, etc.)
200 – What is the main communication pathway between the brain and body?
(Spinal cord)
2. What part of the cell controls its activities and contains genetic material?
Nucleus
200 – Name one natural source of potable water.
(Rainwater, groundwater, springs, etc.)
300 – Which organ controls blood sugar by making insulin?
(Pancreas)
300 – What are the specialised cells that carry messages in the nervous system called?
(Neurons)
(Neurons)
3. What is the name of the process plants use to make their own food using sunlight?
(Photosynthesis)
300 – Why is boiling water an effective way to make it safe to drink?
(It kills harmful bacteria, viruses, and parasites.)
400 – What happens to your skin when you get too hot?
(You sweat)
400 – Which part of the brain controls balance and coordination?
(Cerebellum)
4. What type of rock is formed from cooled lava or magma?
(Igneous rock)
400 – Describe one way water can become contaminated even after collection.
(Dirty containers, contact with unwashed hands, animal waste, chemicals, etc.)
500 – What does your body do when it’s cold to warm you up?
(Shivering)
500 – Name one of the three main parts of a neuron.
(Cell body, dendrites, axon)
5. In physics, what is the unit of force?
(Newton — N)
500 – What is the chemical name for the type of alcohol found in alcoholic drinks?
Ethanol