Earth
What is the layer of the earth we live on?
Crust
What are the three main states of matter?
Solid, liquid, and gas
What is the chemical symbol for gold?
Au
What unit is used to measure length in science?
a meter
What is the first step in the scientific method?
Ask a question
What tool is used to measure temperature?
Thermometer
What kind of rock forms from lava cooling on earth surface?
Igneous
What state of matter has a definite volume but no definite shape?
Liquid
What is the chemical symbol for chlorine?
Cl
what tool is used to measure the volume of a liquid?
A graduated cylinder
What is a testable statement or educated guess called?
A hypothesis
What type of change happens when water freezes?
A physical change
What process breaks down rocks into smaller pieces over time?
Weathering
What process turns a solid directly into a gas?
Sublimation
What element has the chemical symbol, K?
Potassium
What unit is used to measure mass?
a gram
What is the variable that is changed on purpose in an experiment?
Independent variable
What is a clue that a chemical change has occurred?
Change in color, temperature, a gas, ...
Which layer of earth is made mostly of molten rock?
The mantle
What is it called when a liquid becomes a gas?
Evaporation
Is Boron a metal, non-metal, or metalloid?
Metalloid
What tool would you use to examine very small objects closely?
A microscope
What is the part of the experiment that stays the same?
the controlled variable or constant
When vinegar reacts with baking soda, it creates bubbles. What kind of change is this?
Chemical change
What is the process of sediments being dropped off into a new location called?
Deposition
What is anything that has mass and takes up space?
Matter
Is sulfur a metal, non-metal, or metalloid?
Non-metal
What is the name of the system of measurement used by scientists around the world?
the metric system
What is the final step of the scientific method? (you share what you learned)
Conclusion
When a piece of paper is torn, what kind of change is this?
Physical change