What is Observation, Question, Hypothesis, Experiment, Analysis and Conclusion?
100
The volume of a liquid with density of 2 g/ml and a mass of 50 g.
What is 25 mL?
100
The shape of the phase change graph when matter is changing phases.
What is straight line?
100
Lemon juice and vinegar are considered _________________.
What are acids?
100
The law of Conservation of Mass
What is matter is neither created nor destroyed?
200
In a test of the angle of the launcher affected the distance the marble traveled. Which one if flawed.
Angle of launcher Distance marble travels (in meters)
10 20
20 40
30 60
40 15
What is 40 degrees?
200
The density of a cube with a 5 cm side and a mass of 375 grams.
What is 3 g/cm3?
200
What the atomic number of an atom tells you.
What is the number of protons?
200
The types of metals that have low densities and are very reactive?
What are alkali metals?
200
2 C3H2 + 7 O2 The two and the 7
What is the coefficient?
300
A graph that goes down from left to right.
What is an indirect relationship?
300
The density of a box that has the sides of 5 cm x 4 cm x 2 cm and a mass of 20 grams.
What is 0.5 g/cm3?
300
The particles that determine the charge of an atom.
What are the electrons?
300
What elements in the same row have in common.
What is increasing atomic mass?
300
What happens to energy in an endothermic reaction.
What is it is absorbed?
400
The amount of water in an experiment to see if the amount of water affects the boiling temperature. (IV/DV)
What is independent variable?
400
A container has an unknown volume. The density of water is 1.0 g/ml and the mass of the water was 2 grams.
What is 2 mL?
400
When matter changes from solid to liquid the motion and energy of the particles __________________.
What is increase?
400
The most abundant group on the atomic table.
What are metals?
400
N2 + H2 yields NH3
Create a balanced reaction
What is N2 + 3 H2 yields 2 NH3
500
A good hypothesis for a study of plants grown under different types of light.
What is "If plants are grown under UV light, they will grow taller"?
500
The volume of the test tube is 75 mL and the mass is 225 grams. The density of the liquid.
What is 3 g/mL?
500
The shape of the phase change graph when water is in the liquid state.
What is going up?
500
What Potassium will most likely do in chemical bonding.