Mr. Olson 5th Grade Science Chapter 4A
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What structure is the male part of the flower? | stamen
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| After fertilization an ovary enlarges and develops into a what? | fruit
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| Which structure is the female part of the flower? | pistil
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| What part of the flower produces the female sex cells? | ovule
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| Which part holds the pollen grains? | male sex cells
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| Which part of the flower is where pollen grains land and stick? | stigma
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| When it is time to reproduce, salmon return to the ________? | freshwater stream
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| The sprouting of a plant is called ______? | germination
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| Beetles and butterflies go through four stages which make up ______? | complete metamorphosis
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| A young tree is called a what? | sapling
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| What is the tiny new plant that forms from the fertilized egg called? | embryo
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| When a male sex cell joins with a female sex cell to produce a fertilized cell it is called _______. | sexual reproduction
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| The stage of a human life cycle which last from about age 1 to about 12 is called what? | childhood
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| After fertilization an ovary enlarges and develops into a what? | fruit
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| Human life cycle | stages from birth to death.
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| Infancy | birth to age 1, completely dependent on parent.Traits inherited from parents.
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| childhood | ages 1-12, ability to walk and talk, growth fairly steady, learns many skills such as to speak,learn, and learns a lot from environment.
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| Adolescence: | ages 11-20, growing into adulthood
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| Adulthood | ages 20-till death, greatest strength and endurance, responsible???
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| Male life expectancy | 72.2 years
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| Female life expectancy | 78.8 years
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| Insect life cycle-complete metamorphosis | egg, larva, pupa, adult
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| egg | 1st stage, eggs are laid by adults
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| larva(grub) | wormlike stage, eats decaying wood or other rotting materials in the soil.
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| pupa | looks like its at rest, develops a hard outer case, adult organs form
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| adult: | final stage, fully grown
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| Vertebrate | animal with a backbone, constant body temp.
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| cold blooded | body temp changes with environment.
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| Sexual reproduction | a male sex cell joins with a female sex cell to produce a fertilized egg.
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| Pollen grains(plant) | contains male sex cell
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| Pollination | transfer of pollen grains
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| embryo | a fertilized egg, a tiny new plant the seed enlarges to form fruit
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| stamen | male part of flower
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| pistil | female part of flower
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| Stage 1 of plant reproduction | pollen lands on pistil
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| Stage 2 of plant reproduction | pollen tube grows down into ovary and fertilization take place
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| Stage 3 of plant reproduction | fruit begins to grow
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| Stage 4 of plant reproduction | seeds form in the fruit
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| Stage 5 of plant reproduction | fruit ripens, splits open releasing new seeds
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| asexual reproduction | growing plants without using seeds
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| Deciduous trees | lose their leaves
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| Conifers | evergreen stay green all year
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mr.olson
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