Week 1.4

Liquids and gases have this property. This means to move gradually from one place to another.

• To flow

• Compression

• Diffusion

• Friction

Which event is the best example of competition between species in a pond?

• dragonflies landing on lily pads
• lizards and snakes lying in the sun
• hawks eating mice
• frogs and toads eating flies

Tags

NGSS.MS-LS2-2

Which physical property of salt would stay the same in a mixture of salt particles and water?

• color

• shape

• size

• taste

Tags

NGSS.5-PS1-3

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

Tags

NGSS.5-PS1-3

An experiment is performed on plants to see how different liquids affect plant size. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the variable is ...

• The type of plant

• The amount of sunlight

• The type of music

• The type of liquid

Which of these is an example of erosion?

• Light shining onto a mountain

• Rain breaking down rock

• Wind blowing away sediment

• All of the above

Choose two objects that can be attracted to a magnet. Then click submit (bottom right button).

• iron nails

• aluminium foil

• steel clips

• copper wire

Tags

NGSS.MS-PS2-3

Sugar dissolved in water is an example of a

• Solution

• Mixture

Tags

NGSS.5-PS1-4

You have the following solids in a lab: salt, sand, lemonade powder, and pepper.  Which solids will dissolve in water to create a solution?

• pepper, sand, and salt
• salt, lemonade powder, and sand
• salt and lemonade powder
• pepper and sand

Tags

NGSS.MS-PS1-2

What tool can you use to separate a mixture of rocks and sand the fastest?

• sieve

• tweezers

• magnet

• hands