General Flashcards
Why is food important?
Food is important because it give energy and helps your body and bones develop.
What does a pregnant woman need in her diet?
Dairy products, fruit, vegetables, fish, meat, eggs, fat and carbohydrates are needed to provide all nutrients for the developing baby and her.
How are elements and compounds different?
Elements contain only type of atom whilst compounds contain a combination of atoms.
What is a salt?
A salt is any compound formed by the neutralisation of an acid by a base or alkali.
What’s the rule of naming salts?
The name of a salt has two parts. The first part comes from the metal, metal oxide or metal carbonate. The second part comes from the acid.
Which acid is used to make salts that have names ending in sulfate?
Sulfuric Acid
What ion is present in nitric acid?
NO3
Zinc oxide + nitric acid →
Zinc Nitrate
Which two chemicals could you react to make ammonium chloride?
Ammonium chloride + water
Calcium carbonate + hydrochloric acid →…
Calcium chloride
What is the name of the precipitate made from the reaction between silver nitrate and sodium chloride?
Silver chloride
Through what organ does air move into the lungs?
The windpipe
What is the proper term for breathing?
Ventilation
What are the tiny air sacs in the lungs called?
Alveoli
What are the products of aerobic respiration?
Carbon dioxide and Water
Where does respiration happen?
Mitochondria
What reaction occurs in yeast?
Fermentation
Which organ system helps us breathe?
Gas exchange system
What does the trachea divide into?
Two bronchi
What happens to the diaphragm when you breathe in?
Contracts and moves downwards
Which of these is an adaptation of the lungs?
A) The alveoli have a huge surface area
B) Villi are only one cell thick
C) The alveoli have very dry walls
A) The alveoli have a huge surface area
What are the products of photosynthesis?
Glucose and Oxygen
What colour is chlorophyll?
Green
Where does photosynthesis take place?
In the chloroplasts
A green plant is usually a…
Producer
What does a food chain always start with?
1) a top predator
2) a herbivore
3) a producer
3) a producer
Which is the secondary consumer in this food chain:
grass -> grasshopper -> frog -> hawk
Frogs
What does an omnivore eat?
Animals and Plants
