Ohio Science Review

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

All know life exist on this layer.

• inner core

• mantle

• core

• crust

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

The most abundant element in the mantel and the crust_________________.

• magnesium

• silicon

• oxygen

• iron

The second most abundant element in the mantle is __________.

• oxygen

• calcium

• magenesium

• aluminum

Tags

NGSS.MS-PS1-1

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron? 

• feathers 

• iron

• same

• depends on their friction

Tags

NGSS.MS-PS2-2

What Unit do we Measure Force in? 

• Newtons

• Joules

• Force

• Don't know

Tags

NGSS.HS-PS2-1