A group that does not receive the purposeful change
What is control
100
derived in France, units are consistent in science
What is SI units
100
Equation for density
What is Mass / Volume
100
3 states of matter
What is solid, liquid, gas
100
instrument to find the mass of a marble
What is triple beam balance
200
A conclusion based on an observation
What is an inference
200
stands for 1/100
What is centi-
200
Density of water
What is 1 g/mL
200
solid changing to gas
What is sublimation
200
The possible answer to the problem.
What is hypothesis.
300
6 steps to scientific method
What is 1. problem/question 2. form a hypothesis 3. test a hypothesis 4. Record/Analyze data 5. Form a conclusion 6. Communicate
300
7089 mL = _____ L
What is 7.089
300
A sample of liquid has a mass of 24 grams and a volume of 12 mL, find the density of the liquid?
What is 2 g/mL
300
Which are not examples of matter: light, box, sand, time, water, air
What is light and time.
300
-273 degrees Celsius in Kelvins
What is 0 or absolute zero
400
A boy investigates the mass of a toy car to see if it will change the distance the car travels. What is the independent variable?
What is different masses
400
1000 mg = ______ kg
What is .001
400
49 grams of Iron and density 7 g/cm3, find the volume of Iron.
What is 7 cm3
400
Name the chemical properties: 1. Iron can form rust 2. Chameleons are bright in color 3. Iron can be attracted to a magnet 4. Above 0 Celsius, icicles will change to liquid.
What is iron can form rust (1)
400
gathering information through the senses
What is observations
500
A boy investigates the mass of a toy car to see if it will change the distance the car travels. What is the hypothesis?
What is If the mass of the toy car is increased, then the distance the car travels will be decreased.
500
650 mm (<,>,=) 6.50 cm
What is >
500
Procedure to find density of an empty test tube.
What is 1. use a triple beam balance to find mass 2. fill a graduated cylinder with 50 mL of water 3. submerge test tube in graduated cylinder until fully submerged 4. record volume of water and subtract out 50 mL to find the volume of the object 5. Divide mass by the volume to get density
500
Name the chemical changes: 1. crushing an aluminum can 2. tarnishing of brass 3. burning toast 4. melting an ice cube
What is tarnishing of brass (2) and burning toast (3)