Density
What formula do we use to calculate Density
What is D = M / V
Density Equals Mass divided by Volume
What tool do we use to measure mass
What is a Triple Beam Balance
The part of an experiment in which all conditions are kept the same is the
True or false. It is okay to work alone in a lab.
What is False
Experiments are only valid if
What is if They can be repeated
What has more density water or oil?
What is Water
What is the SI unit for volume
What is milliliters or liters
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the independent variable?
Different amounts of oxygen
True or false. You should never sniff any chemical directly
What is True
Observations based on numerical evidence
What is Quantitative (QN)
The mass of a certain object is 100g, its volume is 10cm^3 . What is the density of this mystery object?
What is 10g/cm^3
1. Place 250 mL of water in a graduated cylinder
2. Place the rock specimen in the graduated cylinder.
3. The water level in the graduated cylinder then rises to a level of 318 mL
Use the information above to calculate the volume of the rock
What is 68 mL
In an experiment, the condition that results from changes in what the scientist did to the experiment
What is the dependent variable
What should you do if you see broken glass in the lab?
What is notify the teacher
Ben conducted an experiment to test the effect of soil acidity on plant growth. He
placed identical plants in four different soil samples and observed their growth for two weeks. He followed the procedure below. Which was the final step of his procedure?
What is record data and share results
Another mystery object has a density of 2g/cm ^ 3 and a volume of 4cm ^3 .What is the mass of this mystery object?
What is Mass = 8g
A very large redwood tree is measured to be 100 units tall. Which unit is the MOST appropriate to use?
Meters
You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the independent variable in this experiment?
What is the Removal of the rat brain
when working with hazardous chemicals you should
What is wear goggles, tie hair back, etc
What is the purpose of the hypothesis and how do we write one?
Predict what we think is going to happen in a if, then statement