ubaTaeCJ
When reading a graduated cylinder do you look at the A. Bottom of the meniscus B. top of the meniscus ?
When reading a graduated cylinder do you look at the A. Bottom of the meniscus B. top of the meniscus ?
Jenna and Skye recorded the height of their 3 plants for 3 months. What type of graph would they make? A. Line B. Pie C. Bar
Jenna and Skye recorded the height of their 3 plants for 3 months. What type of graph would they make? A. Line B. Pie C. Bar
A
After William, Ace and Forever completed a lab, they discovered that 70% of the dogs they tested slept longer after running 3 miles a day. Which type of graph would they use to demonstrate that?
After William, Ace and Forever completed a lab, they discovered that 70% of the dogs they tested slept longer after running 3 miles a day. Which type of graph would they use to demonstrate that?
Pie or circle
Valentina and Leah did an experiment measuring how long it took for different types of chocolate to melt. They used white chocolate, milk chocolate and dark chocolate. What would they put on the x-axis when making a graph?
Valentina and Leah did an experiment measuring how long it took for different types of chocolate to melt. They used white chocolate, milk chocolate and dark chocolate. What would they put on the x-axis when making a graph?
Types of choclates
Lincoln and Tim were designing a lab. They wanted to see if the amount of air effects how far a football can be kicked. What would go on the Y-Axis?
Lincoln and Tim were designing a lab. They wanted to see if the amount of air effects how far a football can be kicked. What would go on the Y-Axis?
Distance kicked
What is the chemical formula for water?
What is the chemical formula for water?
H2O
Which is NOT polar? A. sugar B. Wax C. Salt D. Lemon juice
Which is NOT polar? A. sugar B. Wax C. Salt D. Lemon juice
B - Wax will not dissolve
When placed in water, ice rises to the top of the liquid. Ice floats because (discuss density)
When placed in water, ice rises to the top of the liquid. Ice floats because (discuss density)
ice is less dense than water
What does it mean that water are polar molecules?
What does it mean that water are polar molecules?
Water molecules are attracted to each other (opposite poles
Alex wants to measure the mass of 20 mL of water. What instruments should she use?
Alex wants to measure the mass of 20 mL of water. What instruments should she use?
graduated cylinder and balance (NOT SCALE)
Water behind a dam is demonstrating potential or kinetic energy?
Water behind a dam is demonstrating potential or kinetic energy?
potential
When Mrs. Maybes rubs her hands together on a cold day, the friction converts (2)
When Mrs. Maybes rubs her hands together on a cold day, the friction converts (2)
mechanical to thermal
Which type of energy change does a windmill represent? (3)
Which type of energy change does a windmill represent? (3)
wind to mechanical to electrical
What is the best energy change of a battery operated flashlight? (3 in order)
What is the best energy change of a battery operated flashlight? (3 in order)
Chemical to electrical to light
Because burning fossil fuels creates much pollution, alternatives are being investigated. What might limit the use of wind as a major resource?
Because burning fossil fuels creates much pollution, alternatives are being investigated. What might limit the use of wind as a major resource?
Amount of wind varies
What is the primary source of energy on Earth?
What is the primary source of energy on Earth?
sun
Oil is considered a ________ resource.
Oil is considered a ________ resource.
nonrenewable
Which resource is most likely going to be used up first since it is a nonrenewable resource? A. wind B. geothermal C. fossil fuels D. water
Which resource is most likely going to be used up first since it is a nonrenewable resource? A. wind B. geothermal C. fossil fuels D. water
C
Which of these is an advantage of fossil fuels? A. Clean source of energy B. renewable C. inexpensive compared to other energy sources
Which of these is an advantage of fossil fuels? A. Clean source of energy B. renewable C. inexpensive compared to other energy sources
C
The US used about 19 million barrels of petroleum per day in 2000. This rate continues to increase. It is important to develop alternate sources of energy because petroleum
The US used about 19 million barrels of petroleum per day in 2000. This rate continues to increase. It is important to develop alternate sources of energy because petroleum
is a limited source of energy that is almost impossible to renew.
Where is most of the fresh water located?
Where is most of the fresh water located?
ice masses
What is found inside the nucleus?
What is found inside the nucleus?
protons and neutrons
How many variables can you have in a valid experiment?
How many variables can you have in a valid experiment?
1
If you were going to measure the length of a frog, the frog's head is at 1 and the rear is a 10 cms. How long is the frog?
If you were going to measure the length of a frog, the frog's head is at 1 and the rear is a 10 cms. How long is the frog?
9 cms
Why do scientists perform multiple trials of the same experiment?
Why do scientists perform multiple trials of the same experiment?
To increase the likelihood of accurate experiment results
Which method should be used to determine the type of popcorn that produces the greatest number of popped kernels? A. Research articles about different ways to heat popcorn to make it pop. B. Design an experiment that tests multiple types of popcorn using repeated trails C. Heat kernels of some type on an electric stove and heat other types on a gas stove. D. Construct a mathematical equation that compares the size and mass of kernels from each type.
Which method should be used to determine the type of popcorn that produces the greatest number of popped kernels? A. Research articles about different ways to heat popcorn to make it pop. B. Design an experiment that tests multiple types of popcorn using repeated trails C. Heat kernels of some type on an electric stove and heat other types on a gas stove. D. Construct a mathematical equation that compares the size and mass of kernels from each type.
B
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What Would You Like To Risk?
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Go To The Final Question
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