Earth and Space
What is one sign that a chemical reaction is taking place?
Bubbling, fizzing, burning, etc.
What are the three main macromolecules?
Proteins, Lipids, and Carbohydrates
This type of reproduction only requires one parent
Asexual Reproduction
What force keeps the planets in orbit?
Gravity
Is warm air more or less dense than cold air
Snapping a pencil is an example of what type of change?
Physical Change
What is necessary for photosynthesis to occur?
Carbon dioxide, water, sunlight (optional)
What are the four bases in DNA?
Adenine, Thymine, Guanine, Cytosine
If an organism has 32 chromosomes, how many did it inherit from its mother?
16 chromosomes
What equation do you use to calculate density?
Mass / Volume
Burning wood is an example of what type of change?
Chemical Change
Glucose, oxygen, water
How many daughter cells are produced by mitosis?
Two
If an animal has large ears, where does it likely live?
The desert
Describe how Earth's seasons happen.
The tilt of the Earth unevenly heats different regions (Northern v Southern hemisphere)
An endothermic reaction is one where...
List at least three parts of the digestive system
Mouth, esophagus, epiglottis, stomach, small intestine, large intestine, etc.
What is one difference between mitosis and meiosis?
Mitosis makes body cells, meiosis produces reproductive cells
What causes the tides?
The pull of the Moon on the Earth
How can two cities be on the same latitude but have different weather?
One of the cities can be on the coast, where the temperature is mostly stable due to the ocean wind. The other city could be inland, where the temperature varies due to the westerlies over the land
How many individual atoms are in 2H2O?
Six (four Hydrogen, two Oxygen)
Describe how we get our energy from food
What is an advantage of asexual reproduction
Faster, only needs one parent, etc.
Why did the peppered moths change color?
The trees got darker due to pollution from factories