Science 5- Elimination Round

Timothy drops three different kinds of balls of the same size and measures the height to which the balls bounce. What could he be testing?

• That bounciness depends on the size of the ball.

• That bounciness depends on the material a ball is made up of.

• That balls of different sizes will always bounce to the same height.

• That any kind of ball has the ability to bounce.

How do we know that chemical changes happen during photosynthesis?

• Sunlight provides the energy that is needed for the process of photosynthesis.

• Food in the form of starch is produced.

• Leaves are mostly green.

• Plants do not grow well without water.

Which of the following animals are able to give birth to a live young?

• birds

• spiders

• mammals

• fish

Which of the following has high salinity or salt concentration?

• estuary

• lake

• river

• sea

If Juden runs a distance 20 meters in 10 seconds, what is his speed?

• 2 m/s North

• 2 ms

• 2s

• 2 m/s

Which of these units is not used to measure length?

• meter

• millimeter

• cubic meter

• kilometer

Kendi lives 200 m from her school. How long will it take her to reach her shool if she walks at a rate of 2 m/s?

• 400 s

• 0.04 s

• 300 s

• 200 s

True or False. In any mathematical expression including more than one operation, addition and subtraction must be performed first before multiplication and division from left to right.

• True

• False

All numbers divisible by both 2 and 3 are divisible by what number?

What is the sum of 51.1465 , 36.141 and 5.703?