All that Energy!
May the Force be With You
What's the Matter?
Mix it up
Experimental Lab
100
Which statement is true?
a. glass conducts electricity better than metal
b. wood conducts electricity better than metal
c. metal conducts electricity better than glass
d. metal insulates electricity better than wood
c. metal conducts electricity better than glass
100
Addison was playing with a yo-yo. Her friend told her that gravity was the only force that was being used. Addison told her friend she was wrong because: (choose all that are true)
a. the yo-yo came back up
b. she pulled her hand up a little to get the yo-yo to come back up
c. the yo-yo is on a string
d. none of these
a. the yo-yo came back up
b. she pulled her hand up a little to get the yo-yo to come back up
100
The color, texture, taste, sound or smell of an object.
a. states of matter
b. physical properties
c. density
d. category
Physical properties
100
A glass beaker contains 100ml of water. 5g of salt is stirred into the beaker of water. Which item should be used to separate this solution?
a. hot plate
b. paper filter
c. magnet
d. they cannot be separated
a. hot plate
100
Something that can be changed in an experiment that may affect the outcome
a. evidence
b. data
c. variable
d. constant
c. variable
200
Sally is outside watching a soccer game. Her hands are getting really cold, so she rubs them together. They feel warmer due to the heat that is produced by _______.
a. Sunlight b. gravity
c. friction d. erosion
C. Friction
200
To light a match, one must rub the end over a rough surface. Which form of energy is used to light a match?
a. Thermal b. Light
c. Sound d. Mechanical
D. Mechanical
200
What is being measured using these graduated cylinders?
a. The volume of the marble
b. The mass of the marble
c. The weight of the marble
a. The volume of the marble
200
Earth's atmosphere is a _____________ because all the gasses combine evenly.
a. mixture
b. solution
b. solution
200
Mrs. Kittur wants to see if studying time affects test scores...She gives 5 classes the same assignment but assigns different study times. What is the variable?
a. the assignment
b. the study times
c. the hypothesis
d. the date she assigns the work
b. the study times
300
What makes a material a good insulator?
a. heat can move through it easily
b. heat can not move through it easily
b. heat can not move through it easily
300
There are 4 ramps for a toy car. Each is covered with a different material. One has wax paper, one has foil, one has sand paper and one has plastic wrap. Which ramp would have the greatest friction?
a. wax paper b. foil
c. sand paper d. plastic wrap
c. sand paper
300
What is the mass of the item on this triple beam balance?
272.1 grams
300
James helped make a salad for dinner. He told his little sister that a salad is a mixture. He is correct because:
a. A mixture is the ability to form a solution with another substance.
b. A mixture is the ability of a substance to dissolve in another substance.
c. A mixture is where two substances are spread out evenly between one another and cannot be separated
d. A mixture is the combination of two or more substances that do not join
d. A mixture is the combination of two or more substances that do not join
300
Which statement is true?
a. dish soap is more dense than honey
b. The cherry tomato is more dense than the milk.
c. The honey is less dense than the bolt.
d. The water is less dense than the lamp oil.
c. The honey is less dense than the bolt.
400
You are given a box with the following items:
Plastic Tube, Rubber Tube, Copper Wire, Glass Tube, Cotton String, Ping Pong Ball
Which of these is a good electrical conductor?
Copper Wire
400
Brian needs to move his couch across the room to make room for his Christmas tree. He could drag it over a carpet, or he could move the carpet and drag it over the tile. Which way would be easier?
a. drag it over the carpet because carpet has less friction than tile and that will make it easier.
b. drag it over the carpet because there is more friction and that will make it easier.
c. drag it over the tile because tile creates less friction than carpet, making it easier.
d. drag it over the tile because tile creates more friction than carpet, making it easier.
c. drag it over the tile because tile creates less friction than carpet, making it easier.
400
Water changes from a liquid to a solid at what temperature?
a. 0 degrees Celsius
b. 32 degrees Celsius
c. 10 degrees Celsius
d. 5 degrees Celcius
a. 0 degrees Celsius
400
Vihaan combined the following substances with water. After stirring each combination, he left them alone for 30 minutes to see which substance would create a solution. Which of the following substances dissolved in the water?
a. Baking Soda b. Cooking Oil
c. Wood Chips d. Sand
a. baking soda
400
Why do scientists use the scientific method (1. make an observation that describes a problem, 2. create a hypothesis 3. test the hypothesis 4. draw conclusions and refine the hypothesis.) ?
a. To make sure they get credit for their discoveries.
b. So that other scientist don't get mad at them
c. It more fun this way
d. To make sure their results are valid and can be performed by other scientists.
d. To make sure their results are valid and can be performed by other scientists.