Chapter 1 Matter Test

What is your science teacher's name?

Min is conducting an experiment where he compares the properties of water and lemonade. The first stage of the experiment is focusing only on the physical properties of the water and lemonade. Which comparison point would Min not use in the first stage?

• color
• conductivity
• flammability
• boiling point

Which of these describes conservation of matter?

• Energy cannot be created nor destroyed.
• Matter may change form and disappear.
• Matter cannot be created nor destroyed.
• Energy may change form and disappear.

Oliver's science project consists of six sealed and labeled containers. He challenges his classmates to identify pure substances versus mixtures. Use the checklist to identify each mixture. Choose the 4 correct choices.

• air
• smog
• chocolate milk
• coffee
• oxygen

Since the moon's gravity is 1/6 Earth's, all objects, including mammals, have different weights on the moon than on Earth. Calculate how much a 150 pound dog weighs on the moon.

• 25 lbs
• 30 lbs
• 40 lbs
• 45 lbs

Jonah realizes that even though he is crushing the cans, the amount of material in each can is unchanged. Which of the following describes the process that is taking place?

• a change in chemical bonds within the object
• a change in matter that produces one or more new substances
• a change in mass of an object
• a change in form or appearance of matter

Annie learns that the compound sulfuric acid is called the universal chemical. The acid is used in everything from gasoline to paper. Annie uses beads in three different colors to model sulfuric acid. Based on the model, what is the chemical formula of sulfuric acid?

• S2 HO4
• O2 H4 S
• S4 O2 H
• H2 SO4

Rachel notices that many objects have rusted. Rusting is a chemical change that some metal and steel objects undergo when they are exposed to oxygen. Which option best describes a chemical change?

• a change from solar energy to chemical energy
• a change in matter that produces one or more new substances
• a change from a liquid state to a gas state
• a change in form or appearance of matter

Teresa stays home from school because she has a cold. Her father makes her chicken noodle soup and urges her to drink lots of orange juice. Both the soup and juice are mixtures, but one is a homogenous mixture and the other is heterogeneous. Which food item is homogenous and which is heterogeneous? (2 answers)

• Orange Juice is homogeneous
• Orange Juice is heterogeneous
• Chicken noodle soup is homogeneous
• Chicken noodle soup is heterogeneous

What 2 pieces of information is needed to calculate density?

• Pressure
• Mass
• Volume
• Weight