Shared Flashcard Set

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Unit 4
study Guide
25
Science
4th Grade
10/13/2016

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Cards

Term
Calorie
Definition
the measure of the energy content in food
Term
calbohydrate
Definition
a nutrient that provides energy
Term
Fat
Definition
a nutrient that provides energy and give food flavor
Term
Photosynthesis
Definition
the process in green plants and certain organisms that use energy from the Sun to make food from water and carbon dioxide
Term
proteins
Definition
a nutrient needed to build, grow and repair body cells
Term
respiration
Definition
the using and releasing of energy in the cell
Term
transportation
Definition
extra water exits the cell
Term
root hairs
Definition
thin, hair -like cells in the root
Term
stomata
Definition
holes on the outside of leaves that open to let hair in
Term
nutrient
Definition
any substance that is needed by an organism
Term
nutrient
Definition
substance needed by an organism
Term
sun
Definition
plants use energy
Term
plant sugars(food)
Definition
carbon dioxide and water turns to food
Term
roots
Definition
What part of the plant holds the plant up in the soil and takes in water and nutrients.
Term
stem
Definition
which part of the plant holds plant up and carries water and nutrients throughout the plant
Term
in the leaves
Definition
where does photosynthesis take place
Term
photosynthesis
Definition
what process does the plant use to make food
Term
transpiration
Definition
what process does the plant use t release extra water from leaves
Term
stomata
Definition
Plant gets carbon dioxide and release water through openings on their leaves.
Term
know why it is important that plant's root only allow water to move in one direction.
Definition
the roots only allow water into the plant. if the roots let water go both ways then gravity would cause water to run back out of the root. plants would never get enough water
Term
3 things plants need to make food
Definition
carbon dioxide, water & sunlight
Term
the difference between tap root and fibrous root
Definition
diagram in notes
Term
why would a plants root store food and what can we do with it.
Definition
a tap root allows that plant to store FOOD TO SAVE ENERGY FOR THE PLANT TO USE LATER. BECAUSE it stores energy (ood) we can eat the roots for food
Term
Why are plants important to us
Definition
use plants for many things, like getting oxygen, food, clothing, medicine, heating and cooking for everyday
Term
how do we use plants for food
Definition
Know what plants we eat for food and what parts of the plant they are
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