Science Flashcards
Pivot point/ fulcrum:
The center where a lever rests.
Lever:
Beam
Equilibrium:
Where balance is leveled.
Instead of smelling a chemical directly, you:
Waft
Keep a test tube pointed:
Away from you
Acceleration:
The rate of change in speed/velocity.
SI system:
System International
SI system is based on the number:
10
Basic unit of length:
Meter(m)
How to find speed:
Distance divided by time
Volume:
Amount of space taken up by an object.
SI unit for volume:
Liter(L)
Meniscus:
A curve on the bottom of a liquid.
Unit:
A quantity
Luster:
How shiny an object is.
Density:
How tightly packed an object is.
Function of microscope:
Allows you to look at tiny objects closer.
Where to hold a microscope:
Arm and base
How to find total magnification power:
Eyepiece x objective
High power magnification is:
40x
Low power magnification is:
10x
Scanning objective magnification is:
4x
Founder of microscopes is:
Antoni Van Leeuwenhoek
How many steps are there in the scientific method:
7
The steps of the scientific method are:
- State the problem
- Gather data
- Form a hypothesis
- Perform an experiment
- Collect data
- Analyze data
- Form a conclusion
Control:
Stays the same
Variable:
Changes
Hypothesis:
Educated guess