Ohio OST Science Review

Things that could have affected the outcome of a lab experiment besides the variable are known as....

• experimental error

• qualitative observations

• a hypothesis

• a control group

Which type of graph would you create to illustrate data from a lab where you measured the temperature increase or decrease of a solution over three hours?

• Pie graph

• Line graph

• Bar graph

• Pictograph

Tags

NGSS.MS-PS3-1

Sam wants to determine which type of citrus juice does the best job of keeping apples from turning brown. He places apple slices in four different juices and times how long it take for them to show signs of browning. Choose the correct variables below.

• IV- type of apples . DV- type of citrus juice

• IV- time to brown . DV- type of citrus juice

• IV- type of apples . DV- amount of brown on apple

• IV- type of citrus juice . DV- time to brown

Students are testing whether the height of a ramp affects the distance a car will roll. What needs to remain constant?

• The length of the ramp

• The car

• The surface of the ramp

• All stay constant except for the independent variable.

Which is a valid hypothesis?

• I think that fertilizer is good for plants.

• If a plant gets fertilizer it will be better.

• If a plant grows taller, then it will get fertilizer.

• If a plant is grown with fertilizer, then it will grow taller.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The core is made up mostly of _______________.

• oxygen

• magnesium

• iron

• carbon

Tags

NGSS.MS-PS1-1

The second abundant element that makes up the core is ______________.

• nickel

• iron

• oxygen

• calcium

Tags

NGSS.MS-PS1-1

All know life exist on this layer.

• inner core

• mantle

• core

• crust

Tags

NGSS.MS-ESS2-3

80% of the Earth's volume is made up of the _____.

• continental crust

• core

• mantle

• oceanic crust

The inner core is ____________.

• solid

• molten

• unknown

• liquid