Earth and Space

The Earth rotates once around its axis each day. This explain why...

• The Sun appears to move across the sky every day.

• there is spring, summer, autumn, and winter.

• The Moon can be seen at night.

• The stars appear smaller in the sky than the Sun.

The Earth is not the only planet that has a moon

• True

• False

The Moon is a star

• True

• False

The Earth is one of many planets orbiting the Sun.

• True

• False

Venus is a planet in our solar system. Venus orbits...

• the Earth

• the Moon

• the Sun

• the Stars

The Sun, Earth, and Moon are different sizes.

• True

• False

The Sun is roughly spherical but the Moon and Earth are not.

• True

• False

The Sun, Earth and Moon are different colours.

• True

• False

The planet Mercury has an orbit of 88 days. If the planet Mercury had an orbit of 100 days it would...

• take longer to rotate around its axis

• take longer to rotate around the Sun

• take longer to rotate around Earth.

• appear smaller in the sky at night.

Jack and Marek measure their heart rates adn body temperatures while at rest. They exercise for a few minutes. Then they measure their heart rates adn body temperature again. Their results are shown below:

Which conclusion do the results show?

• when people exercise, thier temperature decrease.

• when people exercise their muscles get larger.

• when people exercise, their heart rate increase.

• when people exercise, their bodies get stronger.