1) Condensation happens when a......................changes to a ............... a) gas/liquid b) liquid/gas c) gas/solid 2) When we see .....................of water on a surface, we know that condensation has happened. a) lose b) drops c) cool 3) Condensation happens when water vapour touches a................surface. a) hotter b) cooler c) warmer 4) process the of a liquid changing to a gas a) evaporation b) condensation c) warmer 5) water in the form of a gas a) water b) solid c) water vapour 6) What makes evaporate faster? a) heating the water b) cooling the water c) freezing water 7) How does evaporation help us? a) Evaporation helps us to dry things such as washing, our hair and food. b) Dried fruit is made using evaporation. c) When particles of water gain heat energy, they move faster and further apart and break free from the liquid's surface. 8) What happens to liquid when the air is moving? a) Liquids evaporate faster when the air is moving. b) Evaporation happens when a liquid turns into a gas. c) Dried fruit is made using evaporation. 9) germination, ....................,..............,.............,.................. a) pollination, fertilization, seed dispersal, growth b) growth, fertilization, pollination, seed dispersal c) growth, pollination, fertilization, seed dispersal 10) Sweating makes us.............. a) cooler b) hotter 11) More evaporation occurs when the surface is large. a) True b) False 12) More evaporation occurs when wind does not flow. a) True b) False 13) a powder, produced by the male part of a flower: Phấn hoa a) spongy b) float c) pollen 14) Flowers pollinated by insects have...... a) no scent b) big stigma c) bright colours 15) Where the seeds from a) ovary b) anther c) stigma 16) When pollen and egg join together a) fertilization b) pollination c) nectar 17) Pollens land on the stigma of the flower. a) fertilization b) pollination c) nectar 18) When we see .....................of water on a surface, we know that condensation has happened. a) drops b) lose c) cool 19) We call the process: germination, growth, pollination, fertilization, seed dispersal is a) life cycle b) water cycle

Science

Odštampaj
Ugradi

Tabela

Vizuelni stil

Postavke

Promeni šablon

Vrati automatski sačuvano: ?