Weather is current and climate is the area's average weather over a certain amount of years
Difference between climate and weather?
100
Immune system - defends body against infections
Endocrine system - produces hormones
What does the immune & endocrine system do?
200
Rows that represent energy levels.
What does the term period mean with regards to the Periodic table?
200
Prophase
Metaphase
Anaphase
Telophase
What are the phases of mitosis?
200
a mirror whose reflecting surface curves inward
What is a concave mirror?
200
Cow farts, garbage dumps, termites
What are some sources of methane?
200
total amount of greenhouse gas emissions caused directly or indirectly by a human, community, industry, or country
What is a Carbon Footprint?
300
Group 17
The most reactive non metals can be found in which group?
300
Deoxyribonucleic acid
What does DNA stand for?
300
light that is produced by a biochemical reaction in a living organism
What is bioluminescence?
300
- Tree rings
- Sedimental rocks
- Ice caps melting
How do you notice the climate is changing?
300
A lens that is thicker in the middle than at the edges and that refracts parallel rays to a focus
What are converging lens?
400
They have a full valence shell.
Nobel gases are unreactive because ___________
400
Vascular tissue in a plant that carries water and minerals from the roots up the stem to the leaves
What's a xylem?
400
transmits some of the light shown through and absorbs or reflects the rest; objects not seen clearly
what is translucent?
400
a carbon tax is a charge to an individual or company for creating greenhouse gas emission
What's a carbon tax?
400
First growth phase - where the cell produces new proteins and organelles
Second growth phase - When the cell produces organelles needed for cell division
What's the first growth phase and second growth phase?
500
It's decomposition
Is this a synthesis reaction or decomposition?
2 H2O → 2 H2 + O2