Nature of Science
Matter
Atom
Physical & Chemical Changes
States of Matter
100
To look for clues or details.
Observe
100
The amount of space an object takes.
Volume
100
What type of mixture is this?
Homogeneous Mixture
100
Is mixing coffee with sugar a chemical change? Explain...
No, because there is no substance formed.
100
Name the process where gas turns to liquid.
Condensation
200
Hypothesis, Prediction or None:
If you mix vinegar with baking soda, they will react with each other.
Prediction
200
The amount of gravitational pull on an object.
Weight
200
Li, Be, B, C, N, O, F, Ne
Do these elements above have similar melting point? Explain....
No, because they are NOT in the same GROUP.
200
The ability to dissolve.
Solubility
200
Water freezes at what degree Celsius (oC)?
0 oC
300
Repetition or Replication:
Malachi Ray performed an experiment then Malachi Gordon performed the same experiment to check for errors.
Replication
300
The graduated cylinder has 11 mL of water. After dropping the screw inside, the water level is now 14 mL. What is the volume of the screw.
14 - 11 = 3 mL
300
Which part of an atom found outside the nucleus? (Hint: There are 3 part)
Electron
300
Which of the following is more acidic? Urine or Black coffee?
Urine because the pH is moving away from acid.
300
Which of the following picture is a form of transpiration? EXplain...
The plant because water going up on a living thing.
400
Scientific Theory or Scientific Law:
Objects that go up must come down by the force of gravity.
Scientific Law
400
40 kilogram (40 kg) represents what unit?
Mass
400
Combination of 2 or more elements. Ex: CO2
Compound
400
Getting rusted due to oxygen
Oxidation
400
Process where solids turn straight to gas without turning to liquid.
Sublimation
500
Identify the IV (Independent Variable)...
Types of school supplies
500
An object has mass of 10 kg and a volume of 20. What is the density of the object? (Density = mass/volume)
10/20= 0.5
500
Which of the following is the solvent? The coffee or the cream powder... Explain
The coffee because it dissolves the cream powder.
500
The ability to bend without breaking.
Malleability
500
Describe the Motion of the particles of a liquid as energy is removed.
They going to move closer to each other.