Week 1
Grams
What crosscutting concept deals with repeated symbols?
Patterns
Atom
What state of matter has molecules that can slip past one another?
Liquid
cooking an egg
physical or chemical change?
chemical
What is the basic unit for measuring length?
Meters
Zooming in and out of an image would be an example of what crosscutting concept?
Scale
Who discovered the atom?
Democritus
Which state of matter has a constant volume and shape?
Solid
Getting similar answers each time you take a measurement is called what?
Precision
What is the basic unit for measuring volume?
Liters
Plants absorbing sunlight is an example of what crosscutting concept?
Energy
True or false:
Chemical changes can be reversed
false
Which state of matter has neither constant volume nor constant shape?
Gas
Getting as close to the true answer as possible is called what?
Accuracy
6 km = ? m
6,000
Having body parts that match in size is an example of what crosscutting concept?
Proportion
What material is made when you combine oxygen and hydrogen?
Water
What scientific law says that matter is neither created or destroyed?
Law of conservation of mass
What is the main type of energy that promotes a change in state of matter?
Heat
9,000 ml = ? l
9
What might be a realistic effect of the following cause:
You accidentally measure in inches instead of cm
You do not have an accurate measurement and get the wrong result
What element is the largest percentage of the human body? What percentage is it?
Oxygen (65%)
What is the process of when a liquid becomes a gas?
Evaporation
What is the process for when a gas becomes a liquid?
Condensation