States of Matter
Mixtures & Solutions
Forces
Variables
Energy & Circuits
100
This is an example of a ....
solid
100
This is an example of a ...?
mixture
100
Which force is this an example of?
friction
100
A student investigates how the height of a ramp affects how far a toy car travels. The student changes the height of the ramp and measures the distance the car travels. The same toy car is used for every trial.
What is the independent variable?
A. The distance the car travels
B. The height of the ramp
C. The type of toy car
D. The number of trials
B. The height of the ramp
100
What kind of energy is this an example of?
mechanical energy
200
Water
Milk
Honey
Soda
These are all examples of...
liquids
200
This is an example of ...?
solution
200
What is this an example of?
gravity
200
A student investigates whether the amount of water affects plant growth. The student gives different amounts of water to three plants. Each plant receives the same amount of sunlight and is planted in the same type of soil.
What is the dependent variable?
A. The amount of water
B. The amount of sunlight
C. The type of soil
D. The growth of the plants
D. The growth of the plants
200
What energy is being created?
thermal energy
300
This is an example of a ...
liquid
300
What tool would I use to separate a mixture of salt and water?
hot plate
300
What will happen to the ball?
The ball will move forward
The ball will increase speed
(something similar will work)
300
A student investigates how the distance between a magnet and a paper clip affects the magnet's ability to attract the paper clip. The student uses the same magnet and the same type of paper clip for every trial.
Which is a controlled variable?
A. The distance between the magnet and the paper clip
B. Whether the paper clip moves
C. The type of paper clip used
D. The strength of the magnetic attraction
C. The type of paper clip used
300
A pot of water is placed on a hot stove. The water becomes warmer. Which type of energy causes the water's temperature to increase?
A. Sound energy
B. Mechanical energy
C. Light energy
D. Thermal energy
D. Thermal energy
400
These are examples of ...
solids
400
What tool would I use to separate the paper clips?
magnet
400
If I am conducting an investigation with 3 books of the same size, a ramp, a car, and a meter stick, what will happen to the car each time I add books to the ramp?
The car will go farther
The car will increase in speed
400
A student investigates how the height of a ramp affects how far a toy car travels. The student changes the ramp height for each trial but uses the same toy car and the same ramp surface.
Which is a controlled variable in this investigation?
A. The height of the ramp
B. The distance the car travels
C. The speed of the car
D. The toy car used in each trial
D. The toy car used in each trial
400
A student listens to music on headphones. Which statement best describes the energy transformation in the headphones?
A. Sound energy changes into electrical energy.
B. Electrical energy changes into sound energy.
C. Thermal energy changes into light energy.
D. Mechanical energy changes into chemical energy.
B. Electrical energy changes into sound energy.
500
This is an example of a ...
gas
500
What tool would I use to separate this mixtures?
filter
500
A student kicks a soccer ball that is sitting still on the ground. What happens to the ball when the student applies a force?
A. The ball begins to move.
B. The ball loses mass.
C. The ball becomes heavier.
D. The ball stops experiencing gravity.
A. The ball begins to move.
500
B. The amount of water
500
Which statement best describes the energy transformation when a person runs?
A. Sound energy changes into light energy and produces movement.
B. Chemical energy changes into mechanical energy, and thermal energy is also produced.
C. Electrical energy changes into chemical energy and produces cold.
D. Light energy changes into sound energy and produces movement.
B. Chemical energy changes into mechanical energy, and thermal energy is also produced.