Leap Science

What is this science tool?

• jar

• beaker

• thermometer

• ruler

A wetland was drained to build a mall.  Two years later, there were no more toads in that area.  Why did the toads disappear?

• The toads were destroyed by the construction equipment.

• The toads died because toads cannot breathe out of water.

• The toads were all killed by trucks in the area.

• The toads needs could no longer be met.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When two magnets attract, they ______________

• push apart

• change color

• get colder

• pull together

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-3

When two magnets repel, they ________________

• change color

• pull together

• push apart

• get colder

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-3

Explain why the magnets are 'floating' above each other.

• The magnets are attracting each other as their unlike poles are facing each other.

• The magnets are repelling each other as their like poles are facing each other.

• Nothing happened. The magnets are weak and stayed in their position.

Tags

NGSS.MS-PS2-5

What is the correct definition of Life Cycle?

• The stages that a living thing passes thought as it grows and changes.

• To start to grow.

• The part of a flowering plant that produces seeds.

• To make more living things of the same kind.

True or False: objects that are smooth have LESS friction than objects that are rough

• TRUE

• FALSE

Why do you think the magnet does not hold 50 pieces of paper?

• The magnet is round.

• The magnet is too weak to hold through 50 sheets of paper.

• The magnet is turned off.

Tags

NGSS.MS-PS2-5

What question could these students be investigating?

• How strong is the paper clip?

• Does the number of paper clips change the force of the magnet?

• Can a magnet attract an object that it is not touching?

• Does the direction of the magnet matter?

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-3

This tractor has an electromagnet being used to lift heavy scrap metal. Why would the scrap metal fall?

• The magnet was turned off.

• The magnet was turned on.

• The metal was too heavy.

• The magnet is turned backwards.

Tags

NGSS.MS-PS2-5