DCP 2 Jeopardy Review

Physical Properties

Circuits

Rotation of the Earth

Experimental Design

Light

200

Students collect ice that has formed outside on a cold winter day. The students keep the ice from melting for as long as possible. Which of these containers is least useful as an insulator of thermal energy?

1. Metal bucket

2. Foam cup

3. Glass cup

4. Wooden box

Metal bucket

200

A diagram of an electric circuit is shown. In addition to sound energy, which of these is produced as electric current flows through this circuit?

A. Mass

B. Light Energy

C. Chemical Energy

D. Heat

200

In ancient times, it was believed that the Sun went around the Earth. Now we know that the Sun only appears to move across the sky. Which statement correctly describes the movement of the Earth?

A.The Earth spins on its axis once every 24 hours

B. The Earth goes around the sun once every 24 hours

C. The Earth spins on its axis once every month

D. The Earth goes around the sun once every month

A.The Earth spins on its axis once every 24 hours

200

A student rolled a ball down a ramp from three different heights. The student measured the speed of the ball at the bottom of each ramp.

Trial 1 Trial 2 Trial 3

A. How does the speed of the ball affect the size of the books?

B. How does the mass of a ball affect its mechanical energy?

C. How does the height of the ramp affect the speed of the ball?

D. How does the height of the ramp affect the mass of the ball?

C. How does the height of the ramp affect the speed of the ball?

200

The diagram below shows an investigation about light.

The box has a tiny hole in the front. On the back wall of the box there are four dots. A candle is placed in front of the box and light from the candle travels through the hole. The light from the candle will most likely shine on which numbered dot?

A. 4

B. 3

C. 2

D. 1

400

A student places objects in a bucket of water to determine if they will sink or float.

Which set of items is less dense than water?

A. Plastic paper clip, penny, and cork

B. Toothpick, metal spoon, and plastic paper clip

C. Metal spoon, vegetable oil, and penny

D. Toothpick, cork, and vegetable oil

400

If the switch remains in the position shown, which bulbs will continue to glow?

A: Red, purple, and yellow

B: Green and blue

C: Blue, red, and yellow

D: Blue, green, and purple

B: Green and blue

400

A student builds a model of the solar system that includes a sphere representing Earth. The sphere turns in a full circle on its axis. By using a model of Earth that spins on its axis, the student can best demonstrate --

A. The cycle of the four seasons

B. The cycle of day and night

C. All of the moon phases

D. The passing of a year

B. The cycle of day and night

400

A student wants to investigate how dropping a ball from different heights affects the size of the crater it creates. The student drops a ball from 30 cm into a pan filled with sand. The student also drops the same ball from 15 cm into a pan of flour.

How could this investigation be improved?

A. Drop the ball from the same height into the same material.

B. Drop the ball from different heights into the same material.

C. Drop balls of different masses from different heights into different materials.

D. Drop balls of different masses from the same height into different materials.

B. Drop the ball from different heights into the same material.

400

Several images of light interactions are shown below.

How many images represent light being refracted?

A. 2

B. 3

C. 4

D. 5

D. 5

600

A student looking to sort the objects listed below into different categories could use which of the following physical properties?

Objects being sorted

Iron nail

Brass key

Copper penny

Aluminum washer

1. Conductor or insulator

2. More dense or less dense

3. Soluble or insoluble

4. Magnetic or nonmagnetic

Magnetic or nonmagnetic

600

Which switches will a student need to close so that only the green bulbs will work?

A. Switch 1 and 3

B. Switch 2 only

C. Switch 2 and 3

D. Switch 1 only

B. Switch 2 only

600

A student kept a log of the number of daytime hours and nighttime hours in a day. On Thursday, the student recorded 10 hours of daylight. How many hours of nighttime should the student record in their log to complete a full day-night cycle?

A. 10 hours

B. 12 hours

C. 14 hours

D. 24 hours

C. 14 hours

600

Students conduct experiments to investigate friction. Which experiment will best test the effect of friction on objects?

A. Drop two balls from the same height at the same time

B. Roll two marbles on the carpet from the same starting point at the same time and with the same amount of force.

C. Roll three marbles across three different surfaces from the same starting point at the same time and with the same amount of force.

D. Release two balls from the top of a ramp at the same time.

C. Roll three marbles across three different surfaces from the same starting point at the same time and with the same amount of force.

600

In which of these situations would light bend?

A. When light strikes a mirror

B. When light hits the wall of a house

C. When light moves through glass into air

D. When light is absorbed by a solar panel

C. When light moves through glass into air

800

A student wants to classify four different objects based on physical properties. The student uses the questions shown in the table to test each object.

Which statement correctly identifies two of the materials based on the classification of properties in the table?

A. Material 3 is the metal paper clip and Material 2 is the wax candle.

B. Material 1 is the cotton ball and Material 4 is the wax candle.

C. Material 2 is the sugar cube and Material 4 is the cotton ball.

D. Material 2 is the cotton ball, and Material 3 is metal paper clip.

B. Material 1 is the cotton ball and Material 4 is the wax candle.

800

A student created the circuit in the picture

shown. What switches will the student need

to close in order to have only the white bulb

shine?

A. Close switches 1 and 2

B. Close only switch 2

C. Close switches 1 and 3

D. None of these

800

A student draws diagrams of her house and the location of the sun in the sky. Which diagram below does NOT correctly represent the location of the sun at the time indicated?

›

800

Students conduct an investigation using a balloon rocket. They attach a balloon to a straw, connected to a string. They blow up the balloon rocket and let it travel along the string with and without a quarter as shown.

How did adding the quarter MOST LIKELY affect the balloon?

A. It caused the balloon to travel a greater distance because less force was needed to move it.

B. It made the balloon travel faster along the string because the force increased.

C. It slowed the balloon's movement because more force was needed to move it.

D. It caused the balloon to stop moving entirely because the force was not enough to overcome the weight.

C. It slowed the balloon's movement because more force was needed to move it.

800

The picture to the right shows part of Mount Hood National Forest. What statement below is supported by this picture?

A. The light is refracted by the trees in a forest.

B. Light travels in straight lines until it curves around a mountain.

C. Light is reflected off of smooth surfaces.

D. The sky is blue because it is reflecting the image of the water.

C. Light is reflected off of smooth surfaces.

1000

Which statements correctly describe metals?

1. Metals are good insulators of thermal energy and are insoluble in water

2. Metals are good conductors of electrical energy and are insoluble in water

3. All metals are magnetic and conductors of thermal energy

4 . Metals are solid at room temperature and conduct thermal energy

5. Metals are soluble in water and insulate electrical energy

A. Statements 2 and 3

B. Statements 3 and 4

C. Statements 2 and 4

D. Statements 1 and 5

Statements 2 and 4

1000

Which procedure will cause only the yellow bulbs to operate?

A. Close switches 1 and 2, and leave switches 3 and 4 open.

B. Close switches 1 and 3, and leave switches 2 and 4 open.

C. Close switches 3 and 4, and leave switches 1 and 2 open.

D. Close switches 1 and 4, and leave switches 2 and 3 open

1000

A student designs an investigation to test the amount of force on a toy car traveling down a ramp. Which of the following describes the BEST way to conduct this investigation?

A. Change the surface of the ramp to increase or decrease friction, and measure the mass of the car each time.

B. Change the height of the ramp to increase or decrease the force on the car, and measure the distance the car travels.

C. Change the type of car to increase or decrease its mass, and measure how the friction of the ramp affects its speed.

D. Change the height of the ramp to increase or decrease the force on the car, and measure the time it takes for the car to reach the bottom.

1000

A group of students shine a light onto the surface of water. Which diagram shows what happens to the light that is reflected by the water?

A. B.

C. D.