Science

One type of fuel was used for thousands of years before other fuels were commonly used. Which fuel is an alternative resource that was most likely the first fuel used by humans?

• Coal

• Natural gas

• Petroleum

• Wood

Tags

5.7C

The Grand Canyon is more than 400 km long and in some places almost 2 km deep. Which model best represents the main process that formed the Grand Canyon?

• 
• 
• 
• 

Tags

5.7B

When an apple falls to the ground, what is happening?

____ pulls the apple ____ towards the Earth

(a)  

Tags

NGSS.MS-PS2-4

According to the table, what planets have less gravitational pull than Earth? Check all that apply.

• Uranus

• Venus

• Mars

• Mercury

According to the table, which planets have a greater gravitational pull than Earth?

• Saturn

• Venus

• Jupiter

• Neptune

• Mars

Tags

NGSS.MS-PS2-4

Fill in the blanks. A force is a ____ or ____ on an object that can make it change speed, direction or location

• time or place

• push or pull

• magnet or gravity

Tags

NGSS.3-PS2-1

True or False?

Gravity and magnetism are both invisible forces.

• True

• False

Tags

NGSS.MS-PS2-5

True or False?

Large planets have the most gravity.

• True

• False

Tags

NGSS.MS-PS2-4

Can you jump higher on the moon or the Earth? Why?

• The moon, it has more gravity

• The moon, it has less gravity

• The Earth, it has more gravity

Tags

NGSS.MS-PS2-4

Will gravity pull this person down, out to space? Why?

• No, because gravity will pull him towards the Earth

• Yes, because gravity will pull him away from the Earth

Tags

NGSS.MS-PS2-4