WorksheetsMilestones Science Review
Total questions: 15
Worksheet time: 15mins
Jeff was riding in a car. Which change demonstrates the GREATEST effect of inertia?
The car makes a sudden stop
the car slows down gradually
the car changes into another lane
the car runs out of gas and rolls to a stop
Manuel is coasting on his bike. Because he is not pedaling, his bike will come to a stop. Which of these will cause Manuel's bike to stop?
an increase in kinetic energy
Earth's magnetic field
the property of inertia
the force of friction
Josie sees lightning off in the distance. A few seconds later she hears thunder. What can Josie conclude?
Sound waves do not travel long distances
Light waves travel faster than sound waves
Sound waves are weaker than light waves
Light waves last longer than sound waves
Students poured equal amounts of different liquids to see how the liquids became layered. The denser liquids layered at the bottom. The lighter liquids layered at the top. Which tool should the students us in this experiment?
A balance scale
a thermometer
a magnet
a graduated cylinder
Tom places four objects in a tank of water. He makes the following observations.-A cork floats-A rock sinks-A soda can floats-A piece of chalk sinks. Which statement is correct based on Tom's observations?
The rock and the chalk have a density greater than water
The rock and the chalk have a density less than water
The cork and the can of soda have a density equal to water
The cork and the can of soda have a density greater than water
A scientist combines oxygen and hydrogen to form water. This combination illustrates that water is
An atom
An element
A mixture
A compound
What is the smallest particle of the element gold (Au) that can still be classified as gold?
Atom
Proton
Neutron
Molecule
In a laboratory, a sealed container with 100 g of steam is cooled until all the steam becomes a liquid. The container is then cooled further until all the water becomes a solid. Which of the following remains constant during both of these changes?
The mass of the water
the pressure in the container
the total energy of the water
the position of the atoms in the container
A chemical reaction produces two new substance, and each product has a mass of 50 grams. What was the total mass of the reactants
25 grams
50 grams
100 grams
1000 grams
The atom is composed of electrons, protons, and neutrons. What is the electric charge on the neutron?
-1
+1
0
+2
Which of the following is an example of kinetic energy?
A baseball moving from the pitcher to the catcher
A rock sitting on the top of a large hill
A pendulum at the top of it swing
A new flashlight battery
Energy of motion is which type of energy?
Potential
Kinetic
Sound
Gravitational
Which of the following best explains why a metal spoon feels colder than a wooden spoon at room temperature?
A) Metal is a better conductor of heat than wood
B) Metal has a lower density than wood
C) Metal reflects more light than wood
D) Metal has a higher specific heat capacity than wood
A student observes that a plant grows towards a light source. What is this phenomenon called?
A) Phototropism
B) Geotropism
C) Hydrotropism
D) Thigmotropism
Which of the following statements is true about the conservation of mass in a closed system during a chemical reaction?
A) Mass is lost as energy is released
B) Mass is gained as new substances are formed
C) Mass remains constant regardless of the reaction
D) Mass varies depending on the reactants used
