Category A
Category B
Category C
Category D
Category E
100
Which of these materials would NOT be a good insulator of electricity?
Metal
Glass
Plastic
Wood
Metal
100
A student makes a mixture of gravel, iron filings, and water. What the tools can be used to separate each substance from the mixture?
*there are 3 different tools that will be used
filter for water
magnet for iron filings
screen or strainer or sieve for gravel
100
Which can be separated using a filter?
sand and iron filings
saltwater
sand and water
nails and pennies
sand and water
100
A person heats 700 milliliters of water in a beaker. Then the person stirs 20 grams of table sugar into the water. Which property will the sugar keep after it has dissolved in the water?
it's taste/it's sweetness
100
Which of the following investigations proves that air is matter?
boiling water
comparing a beaker with salt to one with sand
blowing up a balloon
putting a penny in water
blowing up a balloon
200
If I put the following items in water and they are in order (from top to bottom) as follows:
rubber duck
ping pong ball
penny
Which would have the greatest density?
penny
200
Students have two clocks that are the same size. They drop each block into a beaker of water. Why does Block 1 float and block 2 sink?
block 1 is less dense
block 2 is more dense
200
What tool would you use to separate salt and water?
hot plate
200
What happens when you shine a light on a mirror?
the light is reflected
200
What force is being tested when an object is forced downward toward the center of Earth?
gravity
300
A material that has definite volume but no definite shape is classified as a-
solid
liquid
gas
plastic
liquid
300
Which substance is not soluble in water?
powdered drink mix
sugar
salt
sand
sand
300
What happens when you shine a light on black paper?
it is absorbed
300
Light travels into a camera lens to form a small, upside down image on the inside of the camera. Which of the following best describes why the lens flips and decreases the size of the image?
light is refracted by the lens
300
Which type of surface will increase the amount of friction?
rough
400
We did an experiment to see which material is the best insulator. The beginning temperature is 150 degrees. Then we took the temperature after 5 minutes, 10 minutes, 15 minutes and 20 minutes.
material A: 150 137 120 92 65
material B: 150 140 138 129 118
material C: 150 131 117 106 98
material D: 150 138 124 113 104
Which of these is the best insulator?
Material B
400
Students sorted the following objects into 2 groups.
group 1: paper clip, iron nail, copper penny
group 2: candle, pencil, craft stick
Based on this information, which is the best title for group 1?
conductors
400
A student sees and hears a battery-operated toy car moving across the room. What 2 types of energy does the student use to see and hear the toy car?
*there are 2
light energy
sound energy
400
Some students rolled a ball down a large hill. Later in their trip, they rolled the same ball down a small hill. The speed of the ball at the bottom of the large hill was greater than the speed of the ball at the bottom of the small hill.
Why was the speed of the ball on the large hill greater?
The large hill was taller than the small hill.
400
What happens when you shine light in a prism?
It is refracted
500
We did an experiment to see which material is the best insulator. The beginning temperature is 150 degrees. Then we took the temperature after 5 minutes, 10 minutes, 15 minutes and 20 minutes.
material A: 150 137 120 92 65
material B: 150 140 138 129 118
material C: 150 131 117 106 98
material D: 150 138 124 113 104
How do you know which of these is the best insulator?
It has the hottest temperature after 20 minutes
500
Is ice more dense than water or less dense than water? How do you know?
less dense because it floats
500
Students create the circuit shown.
What do the lightbulb and the bell do when the switch is left open?
The lightbulb glows, and the bell does not ring.
500
What is an example of gravitational force?
pushing a cart
pulling a wagon
dropping a pencil on the ground
picking up iron filings with a magnet
dropping a pencil on the ground
500
A group of students creates a circuit using a battery, copper wire, and a buzzer. The group then creates another circuit but replaces the buzzer with a lightbulb. What is the variable in the group's investigation?
the electrical device (lightbulb and buzzer)