Cambridge Primary Science Flashcards

What is puberty?

Topic: Life processes
Answer: Puberty is the stage when a child’s body changes and becomes able to reproduce.

Name one physical change during puberty in both boys and girls.

Topic: Life processes
Answer: Hair grows under the arms and around the reproductive organs.

What happens to height during puberty?

Topic: Life processes
Answer: A growth spurt often occurs, so the body becomes taller quickly.

What happens to the skin during puberty?

Topic: Life processes
Answer: The skin may become oilier and spots or acne may appear.

What physical change happens to boys’ voices during puberty?

Topic: Life processes
Answer: The voice becomes deeper.

What happens to boys’ shoulders during puberty?

Topic: Life processes
Answer: The shoulders often become broader.

What do the testes start producing during puberty?

Topic: Life processes
Answer: The testes start producing sperm cells.

What physical change happens to girls’ hips during puberty?

Topic: Life processes
Answer: The hips often become wider.

What happens to girls’ breasts during puberty?

Topic: Life processes
Answer: The breasts develop.

What do the ovaries start releasing during puberty?

Topic: Life processes
Answer: The ovaries start releasing egg cells.

What is menstruation?

Topic: Life processes
Answer: Menstruation is the monthly release of blood and tissue from the uterus lining.

What is an infectious disease?

Topic: Life processes
Answer: An infectious disease is a disease caused by a microorganism or pathogen that can pass from one host to another.

What types of organisms can cause infectious diseases?

Topic: Life processes
Answer: Viruses, bacteria, parasites and fungi can cause infectious diseases.

What is a host?

Topic: Life processes
Answer: A host is a living thing that carries a disease-causing organism.

How can diseases spread through water?

Topic: Life processes
Answer: Diseases can spread when people drink or use water contaminated with pathogens.

How can diseases spread through food?

Topic: Life processes
Answer: Diseases can spread when food is contaminated with pathogens or not prepared hygienically.

How can diseases spread through body fluids?

Topic: Life processes
Answer: Diseases can spread when infected body fluids pass from one person to another.

How does handwashing help control disease?

Topic: Life processes
Answer: Handwashing removes pathogens and helps stop them spreading to food, water, surfaces and people.

How can safe food preparation reduce disease spread?

Topic: Life processes
Answer: Cooking food properly, washing hands and keeping food covered can reduce pathogen spread.

How can clean water reduce disease spread?

Topic: Life processes
Answer: Drinking clean water and using safe sanitation helps stop water-borne diseases.

What is an insect vector?

Topic: Life processes
Answer: An insect vector is an insect that carries a pathogen from one host to another.

Name one way to avoid being bitten by insect vectors.

Topic: Life processes
Answer: Use insect repellent, sleep under a mosquito net, wear long clothing or remove standing water.

What is one defence mechanism humans have against infection?

Topic: Life processes
Answer: Skin, stomach acid and mucus are defence mechanisms against infection.

How does skin protect the body from disease?

Topic: Life processes
Answer: Skin acts as a barrier that stops many pathogens entering the body.