Unit 1 Vocab
Anything that has mass and takes up space.
What is matter?
mixtures that have parts that are not uniformly mixed together.
What are heterogeneous mixtures?
the ability to do work or change something
What is energy?
Carbon dioxide and sunlight
What do leaves take in from the air to make food?
Leaves give this off into the air.
What is oxygen?
The amount of material in an object
What is mass?
mixtures that are uniform throughout.
What are homogeneous mixtures?
the release of water vapor through the stomata of a plant
What is transpiration?
makes its own food; an example is a plant
What is a producer?
sieves, magnets, tweezers, etc. are all tools used to separate this type of mixture.
What is heterogeneous mixture?
A characteristic of matter that can be observed or measured
What is a physical property?
When substances are mixed together, their mass is the sum of the mixtures mixed together.
What happens to the mass of substances when they are mixed together?
a living thing in an ecosystem, such as a plant, an animal, or a bacterium
What is a biotic factor?
gets food from other sources;
What is a consumer?
Types of changes that can be seen, heard or smelled are these.
What are chemical changes?
a physical combination of two or more substances that are blended together without forming new substances
What is a mixture?
salads, lucky charms, milk and cereal, salt and clay, etc.
What are examples of heterogenous mixtures?
an animal that hunts other animals for food
What is a predator?
They break down dead or decaying plant and animal material, which returns nutrients to the soil.
What are decomposers?
Rust is an example of this type of change.
What is a chemical change?
ability for energy, such as electricity and heat, to move through a material
What is conductivity?
salt and water, hand soap, sugar and water, sweet tea, etc
What are examples of homogeneous mixtures?
a type of single cell organism
What is bacteria?
In the center of the stem
Where is the xylem located?
A special role that an organism plays in an ecosystem is called this
What is a niche?