chemistry
What is the test tube?
Holds small amounts of liquids, solids, powders for observation
What is friction?
Friction is resisting the motion of the two surfaces in contact.
What is a food web?
The complex interconnection of food chains in an ecosystem. How one chain connects to another.
what are the two categories of Chemical Hazards?
Physical Hazards, Health Hazards
If an object loses electrons does it become positive or negative?
positive
What is an ecosystem?
an ecosystem is a community of living organisms in conjunction with the nonliving components of their environment.
What is a gas cylinder?
gasses under pressure.
What is an example of a group of elements that has a high electron affinity?
halogens
what is a food chain?
A food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species, detritivores, or decomposer species.
What is a beaker tongs?
holds the beaker and transfer it when hot.
If an object gains electrons it becomes
negative
What is a food web?
A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web.
What are the states of matter?
solid, liquid, gas.
What is the difference between series and parallel circuits?
the difference between series circuits and parallel circuits, using circuits containing the most basic of components
what does abiotic mean?
Abiotic factors in an environment include such items as sunlight, temperature, wind patterns, and precipitation. Compare biotically.