Glossary and Student Activities
- Carbon dioxide
- A gas found in our atmosphere.
- Chlorophyll
- Green substance in plant leaves that lets the plant use the sun's energy, carbon dioxide and water to make food.
- Convection
- motion in a fluid in which the warmer portions rise and the colder portions sink.
- Cotyledon
- The first leaves on a seedling providing the new seedling with food until it can produce its own.
- Dehydration
- The removal of water.
- Fertilization
- When the pollen grain and ovule join to form a seed.
- Flower
- The part of the plant that makes seeds.
- Fruit
- The fleshy part of the plant that contains the seed.
- Germination
- A process by which a seed changes into a seedling with leaves, stem and roots.
- Kilojoule
- Measurement of energy (1000 joules).
- Macronutrient
- Nutrients such as carbohydrates that are broken down in the body to provide usable energy.
- Micronutrient
- Vitamins and minerals that play a supporting role in maintaining body functions.
- Mass
- The amount of matter in an object measured in grams or kilograms using a balance.
- Leaf
- The plant's food-making factory.
- Oxygen
- A gas in our atmosphere that living things need to keep their cells alive.
- Photosynthesis
- The way a plant makes its food using energy from sunlingt, carbon dioxide from air, water, and nutrients from the soil.
- Pistil
- the part of the flower that receives pollen to make seeds.
- Pollen
- Powder made by the stamen that is needed by the pistil to make seeds.
- Pollination
- When pollin is carried from the stigma to the stamen.
- Primary producer
- Living things which can convert the sun's energy into food (plants).
- Root
- The underground part of the plant that absorbs water and nutrients, stores food, and holds the plant in the ground.
- Seed
- The fertilized ovule of a flowering plant.
- Seedling
- A very young plant grown from seed.
- Stamen
- The part of the flower that makes the pollen.
- Stem
- The main part of a plant that holds the plant up and carries water and nutrients from the roots to the leaves and plant food from the leaves to the rest of the plant.
- Transpiration
- The process by which green plants give off water vapor through the stomata in their leaves
Student activities
