The part of an experiment that is changed by the scientist.
100
The movement of water across a semipermeable membrane.
Osmosis
100
An ax or anything with a blade
wedge
100
This organelle acts as a storage tank for a plant cell.
large central vacuole
100
This type of rock is formed when exposed to extreme heat and pressure.
Metamorphic rock
200
What is the dependent variable?
The result of the experiment. The data you collect.
200
The movement of a substance from an area of high concentration to an area of low concentration.
Diffusion
200
A machine that has a rope over a wheel that raises an object in the opposite direction as the force being applied.
pulley
200
This organelle makes ribosomes.
nucleolus
200
This type of rock is formed when it is melted and then cooled.
Igneous
300
This must remain unchanged throughout the experiment to ensure the experiment remains valid.
What is the experimental control?
300
An example of ____________ is when sugar dissolves into warm water to make sugar water.
Diffusion
300
Used to fasten or hold things together and is an inclined plane around a cylinder.
screw
300
These organelles in a plant cell are responsible for photosynthesis.
chloroplasts
300
These are the four processes that can create sedimentary rock.
weathering, erosion, compaction, and cementation.
400
A scientist investigates the effect of carbon dioxide on plant height. The scientist grows plants in several closed containers. All the plants receive the same amounts of water and light, but the air in each container has a different amount of carbon dioxide. The air is the what in the experiment?
Independent variable
400
When water moves out of a red blood cell and into a highly concentrated plasma solution of salt and water, this is an example of ______________.
Osmosis
hypertonic solution
400
The two simple machines that work together to create a wheel barrow.
wheel and axel and lever
400
This organelle packages and distributes proteins and other materials for the cell.
Golgi apparatus/body
400
Name 3 things that can be formed at a convergent boundary.
Volcano, Mountain, Trench, Volcanic Island Arch, Earthquakes
500
Fish food A claims it can help fish grow bigger than fish food B. You create an experiment that has two bowls of fish. Both bowls have the same water, amount of water, light, and the same amount of fish in each bowl. You measure the fish before you begin with a ruler. You will feed fish bowl 1 food A and fish bowl 2 food B for one month and measure again at the end of the month. The length of the fish is the ________.
Dependent variable
500
3 examples of diffusion
Answers vary
500
The ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine
mechanical advantage
500
Cellular respiration occurs in this organelle.
Mitochondria
500
This type of rock obsidian, forms because the crystals cool so quickly, they remain extremely small, giving the rock a glassy appearance.