Earth Science
Chemistry
Astronomy
Reproduction
Miscellaneous
100

What is a tectonic plate? 

A large section of Earth's crust that continents rest upon. 

100

What is density? 

The amount of matter (mass) in a given volume. 

100

Compared to other stars, our sun is ... 

average / medium 

100

Condensed DNA is called

Chromosome

100

The type of simple machine used in cars, wheelbarrows, and tractors 

Wheel & axle 

200

What happens when 2 tectonic plates "slip" against each other, causing quick movement? 

Earthquake

200

What is the density of water? 

1g/mL 

200

The universe is mostly

empty space

200

Identical offspring of a single parent are called 

Clones

200

When lifting or separating a small, heavy object a short distance, the best simple machine to use would be a ... 

lever 

300

What are 2 possible consequences of tectonic plates moving towards each other? 

Trenches, mountains, volcanic eruptions

300

What is the density of an object whose mass is 10g and volume is 3mL? 

3.3g/mL 

300

Why does the position of the moon effect ocean tides on Earth? 

Gravity

300

Bacteria and other asexually reproducing organisms can increase their numbers exponentially or linearly? 

exponentially 

300

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 

400

Which type of rock is created when other rocks are changed by heat and pressure? 

Metamorphic 

400
Will an object with a density of 5.7g/mL sink or float in water? 

It will sink. 

400

An orbit that is extremely elongated, such as that of a comet, is called ... 

eccentric

400

The process of duplicating DNA to create 2 identical daughter cells

mitosis

400

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. 

500

The rigid outer part of the Earth, consisting of the crust and upper mantle is called the

lithosphere

500

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. 

500

Why is the moon so essential to maintaining consistent climates and seasons on Earth? 

It stabilizes the Earth's tilt. 

500

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 

500

The tiny, negatively-charged particles of an atom are called

electrons