6th Grade End of Year

Which of the following tools is necessary in a science lab for safety purposes?

• A triple-beam balance

• A metric ruler

• A computer

• A fire extinguisher

When conducting an experiment with liquids in the lab, which of the following tools would a chemist most likely use?

• Binoculars and hiking boots

• Beakers & safety goggles

• Microscope & tweezers

• Stopwatch & ramps

As part of a science experiment, a group of students were given a mystery object to identify based on its physical properties. Which scientific tool could be used to measure the object's temperature?

• Pan balance

• Bar magnet

• Graduated Cylinder

• Thermometer

• It was in an upward direction.

• It went faster as time went on.

• It remained at a constant speed.

• It only lasted a short amount of time.

Density is the measure of how much mass is contained in a given unit volume. Based on the data for the four samples, determine which of the following substances has the lowest density.

• Sample 1: volume = 13 cm₂ , mass = 30 g

• Sample 21: volume = 20 cm₂ , mass = 72 g

• Sample 3: volume = 2 cm₂ , mass = 22 g

• Sample 4: volume = 41 cm₂ , mass = 103 g

While elements and compounds are related, they are different. Unlike elements, compounds -

• consists of only one type of atom

• are the smallest form of a particle

• exist only as pure substances

• are made of at least two types of matter

How many elements are in the compound Fe²O³?

• 0

• 1

• 2

• 3

Which of the following is a compound made up of exactly two elements?

• O₂

• H₂O

• 2N₂

• C₆H₁₂O₆

Which graph represents an object moving at the greatest speed?

• 
• 
• 
• 

Which two measurements are needed in order to calculate the speed of an object in motion?

• Distance and time

• Time and mass

• Force and distance

• Volume and time