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3rd grade science test chapter 2

STUDY
PLAY
what is a seed
a structure that can grow into a new plant
what is an embryo?
a young plant
what part of a plant holds stored food ?
seed
what are the stages of a plant?
seed planted in soil
seed germinates & roots start growing down in soil
roots grow longer and stem pushes up out of ground
plant grows leaves and starts to make own food
what is the plant structure that makes seeds?
flower
what are the two parts of the flower that help it makes seeds
pollen
eggs
what is the male part of a flower?
pollen
what is the female part of the flower
egg
what are ways pollen can get to an egg?
wind
birds
bees
what is the movement of pollen from the male part of a flower to the female part called?
pollination
what is a life cycle?
how a certain kind of organism grows, changes and reproduces.
what does a plants life cycle include
germination, growth and death
what are cones?
plant structures that make seeds
what is the name of a plant that reproduces using cones?
connifer
name one plant that does not grow from a seed?
fern
what is the lifecycle of a frog
eggs
tadpole -swim and breath with gills
grows legs and lungs
adult
what is a series of very different body forms called?
metamorphosis
what is the life cycle of a butterfly
egg
larva-insect hatches
pupa-forms hard shell
adult
what is a trait?
a characteristic or feature of a living thing
give 2 examples of a human trait?
eye color
hair color
what is heredity?
the passing on of traits from parents to young
what are inherited traits?
the actual traits that come from parents
what are 2 examples of a flowers inherited traits?
a flower's shape and color
what are 2 examples of human inherited traits?
eye color
hair color
what is offspring?
an organism's young
what are learned traits?
when people and animals gain new skills and traits over time.
what are 2 examples of human learned traits?
riding a bike
speaking a new language
are learned traits passed passed on from parents to offspring?
no
how does a frog begin it's life cycle?
egg
a young plant inside a seed is a ?
embryo
an organism goes through different stages during it's ?
life cycle
when an insect hatches from an egg, it is called a
larva