The devices used in accurately measuring mass of a substance in the lab is ________
What is triple beam/electric balance?
100
The metric unit in which the volume of any substance is measured and recoded is _______
What is cubic mm, cubic centimeters, cubic meters, mL, L
100
Air is ______ dense than water which is why you're able to move faster in air than in water.
What is less
100
Matter exists in four forms namely _____, ______, ______ and ______
What is Solid, Liquid, Gas and Plasma.
100
Classify the following questions as either chemical or physical CHANGES:Ice melting in a drink.
What is a physical change?
200
The metric unit in which mass is measured or recorded.
What is grams/kilogram
200
The _______ is used to accurately measure volumes of liquid in the lab.
What is a graduated cylinder?
200
Density of an object is measured and recorded in _______
What is g/cm3 or g/mL or kg/L
200
Molecules in this state of matter vibrate and move freely at high speed.
What is a gas?
200
Classify the following questions as either chemical or physical CHANGES: Burning wood.
What is a chemical change?
300
The mass of a substance is the ________ of matter in that substance.
What is quantity/ amount?
300
The volume of any substance is how much ________ is occupied by atoms, molecules(particles) of that substance.
What is Space
300
Sugar solution is more dense than ordinary water because there are more _________ in a solution than a pure substance.
atoms
300
Molecules in this state of matter vibrate but do not move since there is little or no intermolecular spaces.
What is a solid?
300
Iron turning into rust in moist air, extracting sulfur from car battery acid, a battery losing its charge over time, and digesting food are all examples of ___________
What is a chemical change?
400
Crystal measures a petri dish and a sugar cube in the lab and recorded 200g. What's her measurement in kilogram.Hint: 1000g=1kg
What is 0.2kg
400
In order to find the volume of a sugar cube, a student decides to measure all three lengths. The result he had 2cm for each sides and decides to multiply 2cm by 2cm by 2cm. What will be the volume of the sugar cube?
What is 8cubic centimeter
400
If the mass of a water is 140g, what will be its density if volume is 140mL
What is 1g/mL
400
Lightening is a form of this state of matter.
What is plasma?
400
Every chemical or physical change in matter includes a change in ________
What is energy?
500
If you were provided with 300g of sugar solution, how would you determine the mass of only the sugar if you knew that the mass of the beaker is 200g and the water is 95g?
What is 5g?
500
Jack in trying to find the volume of a marble, obtained 40 mL of water into a graduated cylinder. He then carefully put the marble into this known volume of water. His new volume 53mL. What is the volume of the marble?
What is 13mL
500
Which of the following will be denser? A swimming pool with chlorine in the water Or A swimming pool without chlorine in the water?
What is A swimming pool with chlorine in water.
500
This can change matter from one state into another.
What is heat?
500
All solids have a definite shape, all liquids_______ and all gases_______