Digestive system
What is used for physical digestion in the mouth?
Teeth
Convert 1.67 km to m
1670m
True of false: Acids have a minty taste with a chalky texture and have a pH range between 8-14.
False
Name two characteristics of living things
you could have two of the following
Cells
Nutrition
Excretion
Response
Reproduction
Define matter.
Anything that occupies space and has mass.
What carries food from the mouth to the stomach
The Oesophagus
Sean runs 200 metres in 40 seconds. Calculate the speed Sean was running at?
Name one lab acid.
Hydrochloric acid
Citric acid
Sulfuric acid
What is a vertebrate?
An animal with a backbone.
What is the difference between arteries and veins?
Arteries have thicker walls and carry oxygenated blood.
What is the name of the acid in the stomach.
Hydrochloric Acid
Find the speed a sprinter ran while travelling 800 m in 3 minutes?
4.44 seconds
What is the pH range for bases?
8-14
Name one difference between an animal cell and a plant cell.
A cell wall
Vacoule
Chlorophyll
Describe a solid that does not dissolve in a liquid.
An insoluble solid.
Liver
If Usian Bolt moves 0.1 km at a speed of 9 m/s, what time will it take him?
11.11 seconds
If I put blue and red litmus paper into a solution and the both stay they same colour what is the pH level of the solution?
7 (as it is a neutral solution)
What is the part of the cell that contains DNA in it?
The Nucleus
Name the blood vessel that brings deoxygenated blood into the heart.
The vena cava.
What is the part of the small intestine that increases surface area.
Villi
Calculate the acceleration.
When a car is first observed it has a speed of 50ms⁻¹. After a time of 14 seconds the speed of the car had increased to 58ms⁻¹.
0.57 m/s^2
What is a neutralisation reaction and what are the products that are formed?
When an acid and a base react together and form salt and water.
What is the function of the cell membrane?
Allows the good things into the cell and allows the bad things to be removed.
Where in the lungs does gas exchange occur?
Alveoli