Science Club (20 Aug 2024)

Why does ice stay at the top of oceans instead of sinking to the bottom?

• Ice is colder than liquid water.

• Ice is less dense than liquid water.

• Ice is denser than liquid water.

• Ice is warmer than liquid water.

How do warm-blooded animals keep their temperature constant?

• calories from the food make heat

• stay active

• draw heat from sunshine

• burn fossil fuels

Is it possible for a child to be exactly like its mother?

• No. It doesn't get genetic material from her.

• No. It gets only part of its genetic material from her.

• Yes. It gets all of its genetic material from her.

• Yes. It gets half of its genetic material from her.

If a rabbit spots a cougar, the rabbit will turn and run away. Which body systems are involved?

• nervous system

• muscular system

• circulatory system

• all of the above

Your teacher challenges you to design an experiment that needed a balance. Which would do it?

• compare the buoyancy of two types of clay

• compare the sliding speed of two snails

• compare the friction created by two rolling toy cars

• compare the mass of two types of rocks

In the ocean food chain, which of the following is a producer?

• seaweed

• seagulls

• tuna fish

• clams

If you ran out of wire, which would be a good substitute to complete the circuit?

• yarn

• licorice strings

• plastic spoon

• tin foil

Look at the part of a bulb! The part shown by the letter H is called ....

• metal filament

• metal wire

• glass cover

• metal tip

A student placed a pencil in a cup of water. The pencil appears broken because light

• always travels in a straight line.

• bends when it passes through water.

• makes the water in the glass evaporate.

• reflects the pencil on the water's surface.

Which statement best explains why you can see yourself when you look at a mirror?

• Light is refracted as it passes through the mirror.

• Light is refracted, bouncing off the mirror.

• Light is reflected, bouncing off the mirror.

• Light is reflected as it passes through the mirror.