Science Unit A, Chapter 1: Plants Grow and Change
living - things that need food, water, and air ot live and grow
nonliving - things that do not need food, water, and air and do not grow
nutrients - minerals from the soil
seed coat - covering that protects a seed
germinate - begin to grow, as seeds do
seedling - young plant that grows from a seed
cactus - desert plant that can store water in its stems
------------------------------------------------------------
Unit A, Chapter 2: Animals Grow and Change
mammal - animal that has hair or fur, the female of which feeds mild from
her body to her young
reptile - animal that is covered with scales and has rough, dry skin
amphibian - animal that has smooth, moist skin and lives both in water and
on land
insect - animal that has three body parts and six legs
life cycle - parts or stages of an animal's life
______________________________________________________________
Science Vocabulary
Unit A3: People Grow and Change
permanent teeth - adult teeth that take the place of baby teeth
skeleton - gones in a body that give it shape
muscles - body parts under the skin that produce movement
heart - muscle that pumps blood
lungs - body parts that help you breathe air
heart rate - how fast or slowly a heart beats
digest - break down food in the body
saliva - fluid in a mouth that helps break down food
esophagus - tube that takes food from the mouth to the stomach
stomach - body part where food is broken down