Bio
What is a Cell?
The basic unit of life
What is the element symbol for Iron?
Fe
What are Ray diagrams?
Are simple drawings that show how light travels and image using lines.
What is weather?
Atmospheric conditions in a specific locations over a short period of time
Is the earth a perfect circle true/false?
False,it’s more like a oval
What is a malignant tumor?
A cancerous tumor that spreads
What is a acid?
A ph that is less than 7
2 types of lenses?
Convex and Concave lenses
What is Climate change?
The long-term shifts in temperature and weather patterns driven by human activities that release greenhouse gases.
Does the earth wobble on its axis as it spins true/false?
True
What is the Cytoplasm?
A Jelly like nutrient rich substance
What are noble gases?
A group of chemical elements that are unreactive to other elements
What is the law of reflection?
When light bounces off surface, the angle it hits the surface at is the same way it bounces away at.
What does carbon footprint mean?
The total amount of greenhouse gas emissions caused by something.
Does the earth’s tilt range from 22.1-24.5 degrees true/false?
True(the cycle changes every 42,000 years)
What is a benign tumor?
A non-cancerous tumor that doesn't spread
What is the ph scale? solution is.
A numerical scale which indicates how acidic or basic a solution is.
What is light?
A form of electromagnetic radiation that is visible to the human eye.
2 types of carbon dioxide sources?
(natural decomposition of organic matter) (Anthropogenic - Burning of Fossils)
3 ways the Earth’s Orbit changes?
Eccentricity,Precession,Tilt
What is the 3 parts of the cell cycle?
Interphase , Mitosis and Cytokinesis
What is a synthesis reaction?
A chemical reaction in which two or more elements combine to form a single larger compound?
What are the primary colours?
Red, yellow and blue
How many polar bears die per year because of humans?
600+
How much greenhouse gas does cars produce per year?
4.6 metric tons of carbon dioxide