How many test (independent) variables a scientific experiment should have
What is one?
100
This is the words that describe the wearing away or breaking down of larger rocks into smaller pieces.
What is weathering?
100
The only astronomical objects that produce their own light
What are stars?
100
The body's ability to maintain an stable internal environment.
What is homeostasis?
100
This is the measure of how much space an object takes up.
What is volume?
200
These are kept the same across all the groups in a scientific experiment
What are the constants or controlled variables?
200
This type of plate boundary occurs when two plates push together. It can form volcanoes or mountain ranges.
What is convergent?
200
Of the following objects, this is the largest: Saturn's moon Titan, Jupiter, Comet Hale-Bopp, the white dwarf star Procyon B.
What is the white dwarf star Procyon B? (even dwarf stars are larger than large planets)
200
Chloroplasts found in the cells of plants absorb sunlight and these other two substances for photosynthesis to occur.
What is water and carbon dioxide?
200
Of the following properties, which describes a chemical property of a substance: it is flammable, it weighs 20 lbs, it is red, it is a solid.
What is it is flammable?
300
In an experiment, it is what the scientist is measuring at the end of the experiment.
What is the outcome variable?
300
This describes the dating process of rocks and fossils that allows the scientists to get the actual age of the rock.
What is absolute dating?
300
The apparent magnitude of a star is dependent on how bright the star is and this property.
What is how far the star is from earth? (apparent magnitude is how bright the star appears from Earth, absolute magnitude describes how bright the star actually is)
300
This describes the symbiotic relationship between the following two organisms:
Bees pollinate apple trees.
.. The bees get food.
.. The apple trees get pollinated.
What is mutualism?
300
These are the positively charged particles found in the nucleus of an atom and determine the atom's atomic number.
What are protons?
400
It is the test (independent) variable in the following experiment: Jack wants to know which brand of basketball will bounce the highest. He drops 3 different brand basketball from 20 feet and records the initial bounce height. Of course he repeats the experiment multiple times for validity.
What is the brand of basketball?
400
Sinkholes and caves are formed from this type of weathering
What is chemical weathering?
400
The moon is in this location relative to the sun and the earth during a full moon.
What is the opposite side of the Earth from the sun?
Sun Earth Moon
400
These are the three main differences between plant and animal cells.
What is plants have a cell wall, chloroplast, and a large central vacuole?
400
Joey and Cory are pulling a cart with 20 N of force each. Jacky tries to stop them pushing with 10 N of force in the opposite direction. This is the net force that will act on the cart.
What is 30 N?
500
The idea that the universe as we know it started with a small singularity, then inflating over the next 13.8 billion years to the cosmos that we know today.
What is The Big Bang Theory?
500
These are the most common type of rock found on Earth's surface.
What are sedimentary rock? (this is because the surface is the primary location rocks are weathered and sediments can be pressed back together)
500
In the sun hot gasses near the core travel at high rates of speed to the outer surface because of their low density. When they come near the surface, they begin to cool, increasing their density and sink back down near the core. This process of heat transfer is called this.
What is convection?
500
The type of cell that is so primitive, it does not have a membrane bound nucleus. Its DNA is found floating in its cytoplasm.
What is prokaryotic cells?
500
Box A has a density of 10 g/mL, box B has a density of 2 g/mL. Both boxes have the same mass. Which box will have a greater volume?
What is Box B? (lower density means the object will have a greater value as long as the masses are the same)