OBSERVATIONS: Assumes the shape of its container, has a definite volume, flows easily
A student investigated a substance and recorded observations. Based on the observations shown, what can you conclude about the substance?
A.) It could be a solid or liquid. B) It can only be a gas. C) It can only be a liquid. D.) It could be a liquid or a gas.
C. It can only be a liquid.
What could best change the solid gold chunks into liquid gold?
A.) A sharp instrument
B.) Freezing weather
C.) Dropping them from a cliff
D.) Very high temperature
D.) Very high temperature
Which are examples of mixtures that are NOT solutions? Choose all that apply.
A. Soil B. Concrete C. Salt Water
D. Sugar water E. Soda F. Mud puddle
A. Soil, B. Concrete, F. Mud puddle
Which physical property can be measured in grams?
A.) Volume
B.) Mass
C.) Color
D.) Length
B.) Mass
How can radiant energy affect phases of matter?
A.) It can cause matter to become a liquid or gas
B.) It can cause matter to freeze
C.)It can cause matter to become a solid
D.) It has no effect on matter
A. It can cause matter to become a liquid or gas
It is important for engineers to understand atoms so they can —
A.) Pick the right materials because matter consists of different atoms that have different properties
B.) Know how to calculate the volume of a material
C.) explain how to build a solution to a problem, such as a bridge or a new road
D.) understand how to properly label a design plan
A.) Pick the right materials because matter consists of different atoms that have different properties
What can cause matter to change phases?
A.) A change in mass
B.) A change in volume
C.) A change in temperature
D.) A change in color
C.) A change in temperature
The cereal shown combines multiple substances that do not lose their identifying characteristics when they are together. The cereal is a —
A solution B molecule C mixture D recipe
C. Mixture
Which of the following best defines matter?
A.) All mixtures and solutions
B.) Everything except emotions
C.) Anything that has mass and volume
D.) Anything you can see with your eyes
C. Anything that has mass and volume
A solid candy bar has a mass of 18 grams. A student melted the candy bar until it became a liquid. What is the mass of the candy bar as a liquid?
A.) 9 grams because the mass of a substance reduces by half during a phase change
B.) 18 grams because the total mass of matter remains the same during a phase change
C.) 20 grams because a liquid has a slightly higher mass than a solid
D.) 16 grams because a liquid has a slightly lower mass than a solid
B.) 18 grams because the total mass of matter remains the same during a phase change
A scientist made a model to show that matter is composed of atoms. To learn more about atoms, the scientist could —
A.) observe atoms with a magnifying glass
B.) count the atoms in a beaker
C.) look at atoms with a telescope
D.) learn about atoms by blowing up a balloon
D.) learn about atoms by blowing up a balloon
As temperature increases matter can change from a ____->_____->_____.
Solid->Liquid->Gas
QUESTION: At what temperature will different brands of chocolate melt into a liquid? ---A student is designing an investigation. Based on the question, which could be a constant in the investigation?
A.) Amount of chocolate B.) Melting temperature
C.) Brand of chocolate D.) Price of chocolate
A.) Amount of chocolate
When water freezes into ice, its volume increases. What happens to its mass?
A.) It increases.
B.) It stays the same.
C.) It decreases.
D.) Water has no mass
B.) It stays the same.
Which is NOT an example of a solution?
A.) Jello packet mixed with water
B.) Tea mixed with sugar
C.) Oil mixed with water
D.) Tap water mixed with salt
C.) Oil mixed with water
As temperature decreases matter can change from a ____->_____->_____.
Gas->Liquid->Solid
The amount of matter in an object is its-
A.) length
B.) mass
C.) weight
D.) volume
B. Mass
What makes a cup of hot chocolate a solution?
A.) Water and cocoa power do not mix.
B.) Cocoa powder and water atoms bond together.
C.) The cocoa powder forms lumps in the water.
D.) The cocoa powder uniformly dissolves in the water
D.) The cocoa powder uniformly dissolves in the water
Which physical property can be measured in liters?
A.) Volume
B.) Mass
C.) Color
D.) Length
A.) Volume
What is mass?
The amount of matter in an object