What is a tectonic plate?
A large section of Earth's crust that continents rest upon.
What is density?
The amount of matter (mass) in a given volume.
Compared to other stars, our sun is ...
average / medium
Condensed DNA is called
Chromosome
The type of simple machine used in cars, wheelbarrows, and tractors
Wheel & axle
What happens when 2 tectonic plates "slip" against each other, causing quick movement?
Earthquake
What is the density of water?
1g/mL
The universe is mostly
empty space
Identical offspring of a single parent are called
Clones
When lifting or separating a small, heavy object a short distance, the best simple machine to use would be a ...
lever
What are 2 possible consequences of tectonic plates moving towards each other?
Trenches, mountains, volcanic eruptions
What is the density of an object whose mass is 10g and volume is 3mL?
3.3g/mL
Why does the position of the moon effect ocean tides on Earth?
Gravity
Bacteria and other asexually reproducing organisms can increase their numbers exponentially or linearly?
exponentially
A student wants to compare the amount of fur shed from a dog's coat during summer and winter. What are 3 constants that should be the same during both seasons?
- same dog(s) for both seasons
- method of collecting fur
- method of measuring fur
- same geographic area
Which type of rock is created when other rocks are changed by heat and pressure?
Metamorphic
It will sink.
An orbit that is extremely elongated, such as that of a comet, is called ...
eccentric
The process of duplicating DNA to create 2 identical daughter cells
mitosis
Some liquids are extremely thick, like toothpaste. How could you verify that a substance is a liquid and not a solid?
Leave it in a container for an extended time period. If it fits to the shape of the container, then it is a liquid.
The rigid outer part of the Earth, consisting of the crust and upper mantle is called the
lithosphere
Why does a ship made of steel float even though steel is more dense than water?
The ship is hollow, so the air space decreases its overall density.
Why is the moon so essential to maintaining consistent climates and seasons on Earth?
It stabilizes the Earth's tilt.
The process of creating 4 unique daughter cells, each with half the amount of DNA needed for the organism. This is the process responsible for creating sperm and egg cells.
Meiosis
The tiny, negatively-charged particles of an atom are called
electrons