- Which of the following would be a good hypothesis?
Your answer:
How does the temperature of a substance affect its rate of diffusion?
I think the higher the temperature the faster the rate of diffusion.
Diffusion causes particles to spread out.
Does temperature affect the rate of diffusion?
- Which of the following would be a good problem?
Your answer:
The high temperature will cause a substance to diffuse faster.
Diffusion causes substances to spread out.
How does the temperature of a substance affect the rate of diffusion?
The higher the temperature the faster the substance will diffuse.
- Things that are kept the same in an experiment.
Your answer:
hypothesis
controls
constants
variables
- Things that you change when you start an experiment.
Your answer:
controls
constants
independent variable
dependent variable
- Things that change as a result of the independent variable.
Your answer:
dependent variable
constant
independent variable
control
- Which of the following is NOT a heterogeneous mixture?
Your answer:
kool-aid
salad
chocolate chip cookie
pizza
- Which of the following is an element?
Your answer:
salt
pepper
oxygen
sugar
- Which of the following is a homogeneous mixture?
Your answer:
chocolate chip cookie
pizza
kool-aid
salad
- Which of the following is NOT an element?
Your answer:
oxygen
gold
silver
salt
- Volume can be measured in any of the following units except
Your answer:
grams
liters
cubic centimeters
milliliters