What are five problems with this experimental design that could have caused the inconsistent results? The rest that you can not read is: already started growing.

Results: Some of the roots seemed really big. Other roots seemed normal or small.

Conclusion: They couldn’t tell what the effect of the compost was because the results were inconsistent.

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat