01/07/19

05/17/18

#### How can a growing animal get calcium to make new bone tissue?

from study island in the science category for eighth graders. Ecosystems and the cycle of matter. I need to get it right.

02/15/18

#### the force that makes an apple fall to the ground is the same force that keeps earth orbiting the sun

is the force that makes an apple fall to the ground is the same force that keeps orbiting the sun. true or false

11/29/17

#### What are covalent bonds made up of

covalent bonds are made up of how many of what?

02/26/17

#### Increasing the surface area of a solid increases reaction rate because more blank come into contact with each other

Energy changes and chemical reactions key concept builder lesson three page 57

04/10/16

#### what type of friction is present before an object actually starts moving

what type of friction is present before an object actually starts moving

03/21/16

#### what is the unit force used in gravity calculations?

what is the unit force used in gravity calculations And why is it called this?

11/10/15

#### Quick Science Question: Calculating Thermal Energy?

A model rollercoaster car weighs 3 kg. If it reaches 5 meters, how much energy is transformed into thermal energy at that point?  I have other values too (it's a multiple part... more
8th Grade Science Science Chemistry Temperature

09/19/15

#### Quick Science Question: °K or K?

So... I know that it's always °C for Celsius and °F for Fahrenheit, but I have a question about Kelvin.   Let's say you have 0°C, which is 32°F, which is also 273°K... or is it just 273 K? My... more

03/15/14

#### how would you draw a model of the stages of meiosis beginning with 6 copied pairs of chromosomes

My daughter has to draw a model of the stages of meiosis beginning with 6 copied pairs of chromosomes and I have no clue how to help her.. PLEASE HELP

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