science cka revision

Question 1

what are the structures of a plant cell (theres 8 listed but dont need to get them all)

Answer 1

nucleus, chloroplasts, mitochondria, a permanent vacuole, cytoplasm, cell wall, cell membrane, ribsomes,

Question 2

what are the structures of an animal cell cell (theres 5 listed but dont need to get them all)

Answer 2

nucleus, mitochondria, cytoplasm, cell membrane, ribosomes

Question 3

what is photosynthesis and its word equation

Answer 3

photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen. carbon dioxide + water —> glucose + oxygen + water

Question 4

what is the structure of the atom

Answer 4

the structure of an atom includes a nucleus (centre) in which the protons (positively charged) and neutrons (neutral) are. The negatively charged particles called electrons which are on the shells around the nucleus

Question 5

how to work out the neutrons protons and electrons in an atom

Answer 5

the protons and electrons are the atomic number (the bottom number) and to find to neutrons you subtract the mass number and the atomic number